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Flight WN187

Southwest Airlines flight WN187

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  • Watch Ground Delay Program SAN

    Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes

    Reason: airport volume

    Airport status

    Read the story →
  • Advisory Airport Closure SNA

    Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.

    Airport status

  • Advisory Coastal Flood Advisory CLD, SAN, SNA

    COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM FRIDAY TO NOON PST TUESDAY

    Weather

  • Advisory Coastal Flood Advisory OAK, SFO, SQL, STS

    COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY

    Weather

San Francisco (SFO) to San Diego (SAN)

Historically, this flight arrives 15+ minutes late 61% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.

On-time arrivals
39.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
76 min
Flights arriving 15+ minutes late
Flights tracked
64
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 62%
  • Air traffic control & airport 26%
  • Airline (crew, maintenance, cleaning) 10%
  • Extreme weather 2%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

BWI → PBI

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 63 minutes. It was cancelled 0.0% of the time.

On-time arrivals
82.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 61%
  • Late-arriving aircraft 30%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Las Vegas (LAS) to Santa Ana (SNA)

Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
84.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
52
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 84%
  • Late-arriving aircraft 13%
  • Air traffic control & airport 2%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

St Louis (STL) to Raleigh/Durham (RDU)

Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 18 minutes. It was cancelled 0.0% of the time.

On-time arrivals
94.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
18 min
Flights arriving 15+ minutes late
Flights tracked
39
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 53%
  • Air traffic control & airport 47%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Nashville (BNA) to Raleigh/Durham (RDU)

Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 113 minutes. It was cancelled 0.0% of the time.

On-time arrivals
92.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
113 min
Flights arriving 15+ minutes late
Flights tracked
28
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 97%
  • Air traffic control & airport 3%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Burbank (BUR) to Albuquerque (ABQ)

Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.

On-time arrivals
92.6%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 43%
  • Late-arriving aircraft 38%
  • Air traffic control & airport 20%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Santa Ana (SNA) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
77.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 22%
  • Airline (crew, maintenance, cleaning) 9%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Las Vegas (LAS) to Oakland (OAK)

Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.0% of the time.

On-time arrivals
72.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
62 min
Flights arriving 15+ minutes late
Flights tracked
25
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 43%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

St Louis (STL) to New York (LGA)

Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 80 minutes. It was cancelled 0.0% of the time.

On-time arrivals
95.8%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
80 min
Flights arriving 15+ minutes late
Flights tracked
24
Scheduled flights in the period

What caused the delays

  • Extreme weather 88%
  • Air traffic control & airport 12%
  • Airline (crew, maintenance, cleaning) 0%
  • Late-arriving aircraft 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Baltimore (BWI) to Los Angeles (LAX)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
73.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
52 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 50%
  • Late-arriving aircraft 40%
  • Air traffic control & airport 10%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Los Angeles (LAX) to Sacramento (SMF)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
66.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
41 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Airline (crew, maintenance, cleaning) 31%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Raleigh/Durham (RDU) to Baltimore (BWI)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
107 min
Flights arriving 15+ minutes late
Flights tracked
15
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 61%
  • Air traffic control & airport 32%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Atlanta (ATL) to Raleigh/Durham (RDU)

Only 14 flights on record, which is too few for reliable odds.

On-time arrivals
84.6%
Less than 15 minutes late
Cancelled
7.1%
Of scheduled flights
Average delay when late
33 min
Flights arriving 15+ minutes late
Flights tracked
14
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Air traffic control & airport 17%
  • Airline (crew, maintenance, cleaning) 14%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Chicago (MDW) to Las Vegas (LAS)

Only 14 flights on record, which is too few for reliable odds.

On-time arrivals
85.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
76 min
Flights arriving 15+ minutes late
Flights tracked
14
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 73%
  • Late-arriving aircraft 19%
  • Airline (crew, maintenance, cleaning) 8%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Raleigh/Durham (RDU) to Las Vegas (LAS)

Only 13 flights on record, which is too few for reliable odds.

On-time arrivals
92.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
75 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 57%
  • Late-arriving aircraft 27%
  • Airline (crew, maintenance, cleaning) 16%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

San Diego (SAN) to Sacramento (SMF)

Only 9 flights on record, which is too few for reliable odds.

On-time arrivals
44.4%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
39 min
Flights arriving 15+ minutes late
Flights tracked
9
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 85%
  • Airline (crew, maintenance, cleaning) 15%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Las Vegas (LAS) to Fresno (FAT)

Only 8 flights on record, which is too few for reliable odds.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 100%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Las Vegas (LAS) to Reno (RNO)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
68 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 57%
  • Late-arriving aircraft 43%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Reno (RNO) to San Jose (SJC)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals
60.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 100%
  • Airline (crew, maintenance, cleaning) 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Boston (BOS) to Chicago (MDW)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 89%
  • Airline (crew, maintenance, cleaning) 11%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Washington (DCA) to Milwaukee (MKE)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
24 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 56%
  • Late-arriving aircraft 44%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Milwaukee (MKE) to Las Vegas (LAS)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
50.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
64 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 54%
  • Late-arriving aircraft 38%
  • Air traffic control & airport 7%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

St Louis (STL) to Denver (DEN)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
141 min
Flights arriving 15+ minutes late
Flights tracked
4
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 77%
  • Airline (crew, maintenance, cleaning) 15%
  • Late-arriving aircraft 7%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Baltimore (BWI) to Raleigh/Durham (RDU)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
16 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 100%
  • Late-arriving aircraft 0%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Denver (DEN) to Sacramento (SMF)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

San Jose (SJC) to Phoenix (PHX)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
0.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
69 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 58%
  • Airline (crew, maintenance, cleaning) 39%
  • Air traffic control & airport 3%
  • Extreme weather 0%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Tampa (TPA) to Baltimore (BWI)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals
100.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
—
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 80.0% 30
October 2025 72.9% 48
November 2025 48.3% 29
December 2025 38.7% 31
January 2026 76.9% 27
February 2026 92.6% 27
March 2026 73.9% 92
April 2026 86.0% 43
May 2026 87.1% 31
June 2026 83.3% 42
July 2026 75.6% 45
August 2026 81.2% 32

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

Latest airport & airline headlines

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Headlines found by Google News; stories open on the publisher's site.