Flight AS591
Alaska Airlines flight AS591
Looking for AS591 in the air…
Alerts at this flight's airports
San Francisco (SFO) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 59 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 68.0%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 246
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 62%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oct 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 79.2% | 24 |
| November 2025 | 57.7% | 26 |
| December 2025 | 70.8% | 25 |
| January 2026 | 72.0% | 25 |
| February 2026 | 88.9% | 27 |
| March 2026 | 86.7% | 16 |
| April 2026 | 77.8% | 9 |
| May 2026 | 75.0% | 12 |
| June 2026 | 61.9% | 21 |
| July 2026 | 63.3% | 30 |
| August 2026 | 38.7% | 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