Flight WN343
Southwest Airlines flight WN343
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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
Sacramento (SMF) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 75.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 41
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 47%
- Airline (crew, maintenance, cleaning) 36%
- Late-arriving aircraft 13%
- Extreme weather 4%
- 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 11% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 88.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 36
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Extreme weather 14%
- Air traffic control & airport 8%
- Airline (crew, maintenance, cleaning) 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Long Beach (LGB) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 44 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 68.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 44 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 86%
- Airline (crew, maintenance, cleaning) 11%
- Air traffic control & airport 2%
- Security 1%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Kansas City (MCI)
Historically, this flight arrives 15+ minutes late 53% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 46.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 45%
- Air traffic control & airport 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Dallas (DAL)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 80.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 32%
- Late-arriving aircraft 29%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to New York (LGA)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 40 minutes. It was cancelled 17.9% of the time.
- On-time arrivals
- 95.5%
- Less than 15 minutes late
- Cancelled
- 17.9%
- Of scheduled flights
- Average delay when late
- 40 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- 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).
Honolulu, Oahu (HNL) to Lihue, Kauai (LIH)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 93 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
- 93 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).
Tampa (TPA) to San Juan (SJU)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 89 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 88.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 96%
- Air traffic control & airport 4%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Nashville (BNA)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 44.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 24%
- Security 16%
- Air traffic control & airport 5%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to Las Vegas (LAS)
Only 16 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
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Burbank (BUR)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 60.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 66%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PWM) to Baltimore (BWI)
Only 16 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
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 89%
- Airline (crew, maintenance, cleaning) 9%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Portland (PDX)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 36.4%
- Less than 15 minutes late
- Cancelled
- 8.3%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 74%
- 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).
Austin (AUS) to Atlanta (ATL)
Only 9 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
- 9
- Scheduled flights in the period
Dallas (DAL) to Panama City Beach (ECP)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 25.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Late-arriving aircraft 38%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Fresno (FAT) to Dallas (DAL)
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
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Late-arriving aircraft 31%
- Air traffic control & airport 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oakland (OAK) to Seattle (SEA)
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
- 31 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).
Phoenix (PHX) to Nashville (BNA)
Only 7 flights on record, which is too few for reliable odds.
- On-time arrivals
- 71.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 7
- 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 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
Baltimore (BWI) to San Diego (SAN)
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
- 32 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Baltimore (BWI) to Miami (MIA)
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
Columbus (CMH) to Dallas (DAL)
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
Dallas (DAL) 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
Oakland (OAK) to Long Beach (LGB)
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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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.0% | 30 |
| October 2025 | 93.5% | 31 |
| November 2025 | 77.8% | 27 |
| December 2025 | 48.3% | 29 |
| January 2026 | 100.0% | 22 |
| February 2026 | 81.2% | 33 |
| March 2026 | 78.3% | 28 |
| April 2026 | 57.6% | 34 |
| May 2026 | 63.4% | 41 |
| June 2026 | 81.8% | 33 |
| July 2026 | 81.8% | 34 |
| August 2026 | 51.2% | 44 |
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