Flight WN2573
Southwest Airlines flight WN2573
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Alerts at this flight's airports
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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
New Orleans (MSY) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 108 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 98.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 108 min
- Flights arriving 15+ minutes late
- Flights tracked
- 58
- 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 St Louis (STL)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 30 minutes. It was cancelled 4.3% of the time.
- On-time arrivals
- 91.1%
- Less than 15 minutes late
- Cancelled
- 4.3%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 47
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 70%
- Late-arriving aircraft 30%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 61% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 38.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 24%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Burbank (BUR) to Sacramento (SMF)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 85 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 92.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 39
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Extreme weather 34%
- Air traffic control & airport 10%
- Airline (crew, maintenance, cleaning) 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tulsa (TUL) to Houston (HOU)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 114 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 93.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 114 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- 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).
Chicago (MDW) to Charlotte (CLT)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 42 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 68.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 22
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 85%
- Airline (crew, maintenance, cleaning) 10%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sacramento (SMF) to Denver (DEN)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Extreme weather 90%
- Airline (crew, maintenance, cleaning) 10%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to San Jose (SJC)
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
- 36 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 53%
- Late-arriving aircraft 47%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Colorado Springs (COS)
Only 2 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
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 83%
- Late-arriving aircraft 17%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Denver (DEN)
Only 2 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
- 2
- Scheduled flights in the period
Denver (DEN) to Portland (PDX)
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
Las Vegas (LAS) to Reno (RNO)
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
- 15 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- 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).
San Diego (SAN) to Oakland (OAK)
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
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.3% | 30 |
| October 2025 | 69.6% | 23 |
| November 2025 | 90.9% | 22 |
| December 2025 | 86.7% | 30 |
| January 2026 | 92.9% | 30 |
| February 2026 | 88.9% | 18 |
| March 2026 | 75.0% | 4 |
| April 2026 | 100.0% | 24 |
| May 2026 | 96.8% | 31 |
| June 2026 | 52.2% | 23 |
| July 2026 | 40.9% | 22 |
| August 2026 | 28.6% | 7 |
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