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Flight WN493

Southwest Airlines flight WN493

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    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

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Milwaukee (MKE) to Denver (DEN)

Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.0% of the time.

On-time arrivals
85.9%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
46 min
Flights arriving 15+ minutes late
Flights tracked
64
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 86%
  • Late-arriving aircraft 10%
  • Airline (crew, maintenance, cleaning) 4%
  • Extreme weather 0%
  • Security 0%

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

Charleston (CHS) to St Louis (STL)

Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 70 minutes. It was cancelled 0.0% of the time.

On-time arrivals
65.0%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
70 min
Flights arriving 15+ minutes late
Flights tracked
60
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 73%
  • Air traffic control & airport 11%
  • Airline (crew, maintenance, cleaning) 10%
  • Extreme weather 7%
  • Security 0%

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

Nashville (BNA) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 58% of the time, and when it is late the delay averages 44 minutes. It was cancelled 0.0% of the time.

On-time arrivals
42.1%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
58
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 48%
  • Airline (crew, maintenance, cleaning) 24%
  • Late-arriving aircraft 22%
  • Extreme weather 6%
  • Security 0%

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

Nashville (BNA) to San Diego (SAN)

Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 44 minutes. It was cancelled 6.4% of the time.

On-time arrivals
93.2%
Less than 15 minutes late
Cancelled
6.4%
Of scheduled flights
Average delay when late
44 min
Flights arriving 15+ minutes late
Flights tracked
47
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 35%
  • Air traffic control & airport 35%
  • Airline (crew, maintenance, cleaning) 31%
  • Extreme weather 0%
  • Security 0%

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

Los Angeles (LAX) to Chicago (MDW)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 47 minutes. It was cancelled 9.1% of the time.

On-time arrivals
76.7%
Less than 15 minutes late
Cancelled
9.1%
Of scheduled flights
Average delay when late
47 min
Flights arriving 15+ minutes late
Flights tracked
33
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 51%
  • Airline (crew, maintenance, cleaning) 49%
  • Late-arriving aircraft 0%
  • Extreme weather 0%
  • Security 0%

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

Las Vegas (LAS) to Little Rock (LIT)

Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 48 minutes. It was cancelled 3.7% of the time.

On-time arrivals
76.9%
Less than 15 minutes late
Cancelled
3.7%
Of scheduled flights
Average delay when late
48 min
Flights arriving 15+ minutes late
Flights tracked
27
Scheduled flights in the period

What caused the delays

  • Airline (crew, maintenance, cleaning) 53%
  • Air traffic control & airport 28%
  • Late-arriving aircraft 19%
  • Extreme weather 0%
  • Security 0%

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

Detroit (DTW) to St Louis (STL)

Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.0% of the time.

On-time arrivals
88.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
54 min
Flights arriving 15+ minutes late
Flights tracked
26
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 79%
  • Airline (crew, maintenance, cleaning) 18%
  • Air traffic control & airport 2%
  • Extreme weather 0%
  • Security 0%

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

Denver (DEN) to Dallas (DAL)

Only 16 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
16
Scheduled flights in the period

Little Rock (LIT) to Dallas (DAL)

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

On-time arrivals
75.0%
Less than 15 minutes late
Cancelled
7.7%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
13
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 95%
  • Air traffic control & airport 4%
  • Airline (crew, maintenance, cleaning) 1%
  • Extreme weather 0%
  • Security 0%

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

Detroit (DTW) to Denver (DEN)

Only 12 flights on record, which is too few for reliable odds.

On-time arrivals
91.7%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
156 min
Flights arriving 15+ minutes late
Flights tracked
12
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).

Nashville (BNA) to Denver (DEN)

Only 8 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
8
Scheduled flights in the period

Las Vegas (LAS) to Detroit (DTW)

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
72 min
Flights arriving 15+ minutes late
Flights tracked
8
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).

Chicago (MDW) to Boston (BOS)

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

On-time arrivals
37.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
63 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

  • Air traffic control & airport 46%
  • Airline (crew, maintenance, cleaning) 36%
  • Late-arriving aircraft 18%
  • Extreme weather 0%
  • Security 0%

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

Reno (RNO) to Las Vegas (LAS)

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

On-time arrivals
87.5%
Less than 15 minutes late
Cancelled
0.0%
Of scheduled flights
Average delay when late
82 min
Flights arriving 15+ minutes late
Flights tracked
8
Scheduled flights in the period

What caused the delays

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

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

Chicago (MDW) to Jacksonville (JAX)

Only 5 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
5
Scheduled flights in the period

Milwaukee (MKE) to Las Vegas (LAS)

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

St Louis (STL) to Jacksonville (JAX)

Only 4 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
38 min
Flights arriving 15+ minutes late
Flights tracked
4
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).

Birmingham (BHM) to Orlando (MCO)

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

Baltimore (BWI) to Birmingham (BHM)

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

Chicago (MDW) to Manchester (MHT)

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
18 min
Flights arriving 15+ minutes late
Flights tracked
1
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 72%
  • Airline (crew, maintenance, cleaning) 28%
  • Air traffic control & airport 0%
  • Extreme weather 0%
  • Security 0%

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

In the news

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On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 78.0% 43
October 2025 85.1% 47
November 2025 86.7% 30
December 2025 83.9% 31
January 2026 96.4% 31
February 2026 92.0% 25
March 2026 71.8% 42
April 2026 59.4% 32
May 2026 33.3% 31
June 2026 70.0% 30
July 2026 61.3% 31
August 2026 90.3% 31

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.