Flight AS404
Alaska Airlines flight AS404
Looking for AS404 in the air…
Alerts at this flight's airports
Seattle (SEA) to Fresno (FAT)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 83.4%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 188
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 61%
- Late-arriving aircraft 29%
- Air traffic control & airport 9%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Kailua-Kona (KOA) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 70 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 70.4%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 83
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 75%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Antonio (SAT) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 70 minutes. It was cancelled 2.7% of the time.
- On-time arrivals
- 86.1%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 84%
- Air traffic control & airport 16%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Anchorage (ANC) to King Salmon (AKN)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 82.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 62%
- Late-arriving aircraft 31%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 94.1% | 17 |
| October 2025 | 84.0% | 26 |
| November 2025 | 93.1% | 29 |
| December 2025 | 77.4% | 31 |
| January 2026 | 70.4% | 27 |
| February 2026 | 83.3% | 24 |
| March 2026 | 92.9% | 29 |
| April 2026 | 83.3% | 30 |
| May 2026 | 83.9% | 31 |
| June 2026 | 63.3% | 30 |
| July 2026 | 71.0% | 31 |
| August 2026 | 75.9% | 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