Flight AS1321
Alaska Airlines flight AS1321
Looking for AS1321 in the air…
Alerts at this flight's airports
Seattle (SEA) to Santa Rosa (STS)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.8% of the time.
- On-time arrivals
- 82.0%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 258
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 30%
- Air traffic control & airport 24%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Santa Rosa (STS) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 153 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 94.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 153 min
- Flights arriving 15+ minutes late
- Flights tracked
- 50
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 93%
- Air traffic control & airport 4%
- Airline (crew, maintenance, cleaning) 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 72.4% | 30 |
| October 2025 | 92.5% | 53 |
| November 2025 | 96.7% | 30 |
| December 2025 | 55.6% | 29 |
| January 2026 | 50.0% | 6 |
| April 2026 | 100.0% | 9 |
| May 2026 | 100.0% | 50 |
| June 2026 | 82.1% | 39 |
| July 2026 | 80.6% | 31 |
| August 2026 | 74.2% | 31 |
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