Flight WN1288
Southwest Airlines flight WN1288
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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
San Jose (SJC) to Long Beach (LGB)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 55 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 74.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 59
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 83%
- Airline (crew, maintenance, cleaning) 16%
- Air traffic control & airport 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sacramento (SMF) to Ontario (ONT)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 66 minutes. It was cancelled 1.7% of the time.
- On-time arrivals
- 80.7%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 58
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 69%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 88% of the time, and when it is late the delay averages 73 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 11.6%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Chicago (MDW)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 44 minutes. It was cancelled 3.0% of the time.
- On-time arrivals
- 78.1%
- Less than 15 minutes late
- Cancelled
- 3.0%
- Of scheduled flights
- Average delay when late
- 44 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 76%
- Airline (crew, maintenance, cleaning) 15%
- Air traffic control & airport 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Minneapolis (MSP)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 78.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 56 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 37%
- Air traffic control & airport 15%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nashville (BNA) to Fort Myers (RSW)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 56 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 83.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 77%
- Air traffic control & airport 19%
- Late-arriving aircraft 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Baltimore (BWI)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 28 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
- 28 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- 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 Francisco (SFO) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 96% of the time, and when it is late the delay averages 68 minutes. It was cancelled 3.7% of the time.
- On-time arrivals
- 3.8%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 87%
- Airline (crew, maintenance, cleaning) 11%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to New York (LGA)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 27 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 78.3%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 27 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Air traffic control & airport 40%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (MDW) to Phoenix (PHX)
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
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 14
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 78%
- Air traffic control & airport 22%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tucson (TUS) to Chicago (MDW)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 81.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 25 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- 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).
Eugene (EUG) to Las Vegas (LAS)
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
- 27 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Tucson (TUS)
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
- 33 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Diego (SAN) to Albuquerque (ABQ)
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
- 111 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 93%
- Airline (crew, maintenance, cleaning) 7%
- 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 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
Nashville (BNA) to Los Angeles (LAX)
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
Denver (DEN) to Las Vegas (LAS)
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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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 93.5% | 31 |
| November 2025 | 70.0% | 30 |
| December 2025 | 80.6% | 31 |
| January 2026 | 86.2% | 30 |
| February 2026 | 77.1% | 35 |
| March 2026 | 75.0% | 32 |
| April 2026 | 80.0% | 30 |
| May 2026 | 83.3% | 31 |
| June 2026 | 19.5% | 43 |
| July 2026 | 21.4% | 42 |
| August 2026 | 69.0% | 30 |
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