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Flight WN1528

Southwest Airlines flight WN1528

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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

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  • 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

Minneapolis (MSP) to Nashville (BNA)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 35 minutes. It was cancelled 0.0% of the time.

On-time arrivals
91.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
35 min
Flights arriving 15+ minutes late
Flights tracked
60
Scheduled flights in the period

What caused the delays

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

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

Milwaukee (MKE) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.

On-time arrivals
92.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
43 min
Flights arriving 15+ minutes late
Flights tracked
50
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 57%
  • Airline (crew, maintenance, cleaning) 37%
  • Air traffic control & airport 6%
  • Extreme weather 0%
  • Security 0%

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

Long Beach (LGB) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 67 minutes. It was cancelled 2.4% of the time.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
2.4%
Of scheduled flights
Average delay when late
67 min
Flights arriving 15+ minutes late
Flights tracked
41
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 67%
  • Air traffic control & airport 30%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Sacramento (SMF)

Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 58 minutes. It was cancelled 0.0% of the time.

On-time arrivals
70.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
58 min
Flights arriving 15+ minutes late
Flights tracked
40
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 75%
  • Airline (crew, maintenance, cleaning) 20%
  • Air traffic control & airport 5%
  • Extreme weather 0%
  • Security 0%

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

Orlando (MCO) to Milwaukee (MKE)

Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
38 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 48%
  • Late-arriving aircraft 29%
  • Air traffic control & airport 23%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Las Vegas (LAS)

Historically, this flight arrives 15+ minutes late 58% of the time, and when it is late the delay averages 87 minutes. It was cancelled 0.0% of the time.

On-time arrivals
42.3%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
87 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 61%
  • Airline (crew, maintenance, cleaning) 24%
  • Air traffic control & airport 15%
  • Extreme weather 0%
  • Security 0%

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

Portland (PDX) to Oakland (OAK)

Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 53 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
53 min
Flights arriving 15+ minutes late
Flights tracked
25
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).

Baltimore (BWI) to Atlanta (ATL)

Only 16 flights on record, which is too few for reliable odds.

On-time arrivals
80.0%
Less than 15 minutes late
Cancelled
6.2%
Of scheduled flights
Average delay when late
78 min
Flights arriving 15+ minutes late
Flights tracked
16
Scheduled flights in the period

What caused the delays

  • Security 50%
  • Airline (crew, maintenance, cleaning) 39%
  • Late-arriving aircraft 10%
  • Air traffic control & airport 1%
  • Extreme weather 0%

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

Burbank (BUR) to Las Vegas (LAS)

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

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
61 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 83%
  • Air traffic control & airport 13%
  • Late-arriving aircraft 4%
  • Extreme weather 0%
  • Security 0%

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

Burbank (BUR) to Kansas City (MCI)

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

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
101 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

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

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

Kansas City (MCI) to Houston (HOU)

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

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 69%
  • Airline (crew, maintenance, cleaning) 16%
  • Air traffic control & airport 15%
  • Extreme weather 0%
  • Security 0%

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

Baltimore (BWI) to Boston (BOS)

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

On-time arrivals
62.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
57 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 51%
  • Air traffic control & airport 43%
  • Airline (crew, maintenance, cleaning) 6%
  • Extreme weather 0%
  • Security 0%

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

Milwaukee (MKE) to San Diego (SAN)

Only 5 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
69 min
Flights arriving 15+ minutes late
Flights tracked
5
Scheduled flights in the period

What caused the delays

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

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

Fort Myers (RSW) to Baltimore (BWI)

Only 4 flights 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
4
Scheduled flights in the period

Providence/Warwick (PVD) to Baltimore (BWI)

Only 3 flights 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
3
Scheduled flights in the period

Nashville (BNA) to Boston (BOS)

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

Detroit (DTW) to Chicago (MDW)

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

Sacramento (SMF) to Kansas City (MCI)

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 76.3% 38
October 2025 72.0% 25
November 2025 81.4% 44
December 2025 77.3% 44
January 2026 45.5% 12
February 2026 85.7% 14
March 2026 77.4% 32
April 2026 85.7% 28
May 2026 92.3% 26
June 2026 90.0% 30
July 2026 93.5% 31
August 2026 48.3% 29

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.