Flight WN3103
Southwest Airlines flight WN3103
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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
Kailua-Kona (KOA) to Sacramento (SMF)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 64
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 76%
- Air traffic control & airport 24%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Orlando (MCO) to Columbus (CMH)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 48 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 86.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 48 min
- Flights arriving 15+ minutes late
- Flights tracked
- 58
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 85%
- Air traffic control & airport 8%
- Late-arriving aircraft 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 47 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 55
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 66%
- Late-arriving aircraft 30%
- Air traffic control & airport 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (MDW) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 60 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
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 52
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 62%
- Air traffic control & airport 38%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Kailua-Kona (KOA) to Honolulu, Oahu (HNL)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 3.2% of the time.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
San Diego (SAN) to San Jose (SJC)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 63 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 81%
- Airline (crew, maintenance, cleaning) 9%
- Air traffic control & airport 6%
- Security 5%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (HOU) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 55% of the time, and when it is late the delay averages 82 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 45.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 20
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 39%
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 23%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Jose (SJC) to Seattle (SEA)
Only 14 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
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 14
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 76%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Columbus (CMH) to San Diego (SAN)
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
Las Vegas (LAS) to San Francisco (SFO)
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
- 95 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).
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 | 100.0% | 30 |
| October 2025 | 72.9% | 49 |
| November 2025 | 93.3% | 30 |
| December 2025 | 87.1% | 31 |
| January 2026 | 76.7% | 31 |
| February 2026 | 64.0% | 25 |
| March 2026 | 45.0% | 20 |
| April 2026 | 85.7% | 28 |
| May 2026 | 80.6% | 31 |
| June 2026 | 88.5% | 26 |
| July 2026 | 100.0% | 27 |
| August 2026 | 66.7% | 6 |
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