Flight AS1429
Alaska Airlines flight AS1429
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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 Diego (SAN) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 56 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 72.4%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 158
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 38%
- Late-arriving aircraft 31%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Minneapolis (MSP)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 88.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 70
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 74%
- Late-arriving aircraft 21%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to San Antonio (SAT)
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 |
|---|---|---|
| October 2025 | 33.3% | 6 |
| November 2025 | 69.0% | 29 |
| December 2025 | 37.9% | 29 |
| January 2026 | 75.0% | 20 |
| February 2026 | 78.3% | 23 |
| March 2026 | 96.4% | 30 |
| April 2026 | 95.2% | 21 |
| May 2026 | 100.0% | 1 |
| June 2026 | 85.7% | 21 |
| July 2026 | 87.1% | 31 |
| August 2026 | 94.1% | 18 |
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