Flight AS424
Alaska Airlines flight AS424
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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
Seattle (SEA) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 320
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 37%
- Late-arriving aircraft 34%
- Air traffic control & airport 20%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to San Diego (SAN)
Only 13 flights on record, which is too few for reliable odds.
- On-time arrivals
- 61.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 35 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- 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).
Palm Springs (PSP) to San Francisco (SFO)
Only 2 flights 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
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 82%
- Late-arriving aircraft 18%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Palm Springs (PSP)
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
- 45 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- 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).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.0% | 30 |
| October 2025 | 96.6% | 30 |
| November 2025 | 89.7% | 29 |
| December 2025 | 73.3% | 30 |
| January 2026 | 72.0% | 26 |
| February 2026 | 85.2% | 27 |
| March 2026 | 93.5% | 31 |
| April 2026 | 60.0% | 25 |
| May 2026 | 84.2% | 19 |
| June 2026 | 73.3% | 30 |
| July 2026 | 70.0% | 30 |
| August 2026 | 63.3% | 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