Flight WN993
Southwest Airlines flight WN993
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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
Tampa (TPA) to San Juan (SJU)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 53 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 68.3%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 64
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Airline (crew, maintenance, cleaning) 47%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Islip (ISP) to Baltimore (BWI)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 82.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 34
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 79%
- Airline (crew, maintenance, cleaning) 18%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Reno (RNO) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 82.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 91%
- Airline (crew, maintenance, cleaning) 9%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oakland (OAK) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 96.3%
- 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) 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).
Pittsburgh (PIT) to Fort Myers (RSW)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 113 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- 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).
Washington (DCA) to St Louis (STL)
Only 14 flights on record, which is too few for reliable odds.
- On-time arrivals
- 92.3%
- Less than 15 minutes late
- Cancelled
- 7.1%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 14
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 48%
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas (DAL) to Tampa (TPA)
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
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Extreme weather 100%
- Airline (crew, maintenance, cleaning) 0%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Reno (RNO)
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
- 29 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Air traffic control & airport 36%
- Late-arriving aircraft 19%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (MDW) to Nashville (BNA)
Only 13 flights on record, which is too few for reliable odds.
- On-time arrivals
- 84.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 37 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Air traffic control & airport 48%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to Kansas City (MCI)
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
- 44 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Air traffic control & airport 44%
- Airline (crew, maintenance, cleaning) 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (HOU) to San Jose (SJC)
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
- 48 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 83%
- Airline (crew, maintenance, cleaning) 17%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Providence/Warwick (PVD) to Orlando (MCO)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 70.0%
- Less than 15 minutes late
- Cancelled
- 9.1%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 81%
- Late-arriving aircraft 13%
- Airline (crew, maintenance, cleaning) 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (HOU) to Chicago (MDW)
Only 9 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
- 28 min
- Flights arriving 15+ minutes late
- Flights tracked
- 9
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 31%
- Extreme weather 31%
- Air traffic control & airport 28%
- Airline (crew, maintenance, cleaning) 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Denver (DEN)
Only 9 flights on record, which is too few for reliable odds.
- On-time arrivals
- 88.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 115 min
- Flights arriving 15+ minutes late
- Flights tracked
- 9
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 86%
- Airline (crew, maintenance, cleaning) 14%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Baltimore (BWI) to Providence/Warwick (PVD)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- 36 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- 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).
Dallas (DAL) to Pittsburgh (PIT)
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
Long Beach (LGB) to Phoenix (PHX)
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
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- 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).
Baltimore (BWI) 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
Denver (DEN) to San Antonio (SAT)
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) 94%
- Air traffic control & airport 6%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Antonio (SAT) to Nashville (BNA)
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
- 129 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 86%
- Late-arriving aircraft 14%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sacramento (SMF) to Ontario (ONT)
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
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.2% | 26 |
| October 2025 | 78.6% | 28 |
| November 2025 | 75.0% | 32 |
| December 2025 | 70.0% | 40 |
| January 2026 | 90.0% | 12 |
| February 2026 | 79.2% | 26 |
| March 2026 | 81.1% | 37 |
| April 2026 | 76.2% | 21 |
| May 2026 | 94.4% | 18 |
| June 2026 | 84.6% | 13 |
| July 2026 | 83.3% | 13 |
| August 2026 | 86.2% | 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