Flight AS665
Alaska Airlines flight AS665
Looking for AS665 in the air…
Ontario (ONT) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 71 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 78.7%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 125
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 47% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 52.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 55
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 28%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Missoula (MSO) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 43 minutes. It was cancelled 5.9% of the time.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 5.9%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 34
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Airline (crew, maintenance, cleaning) 49%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 20
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Air traffic control & airport 35%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 66.7% | 6 |
| November 2025 | 71.4% | 29 |
| December 2025 | 64.3% | 15 |
| January 2026 | 80.6% | 31 |
| February 2026 | 89.3% | 28 |
| March 2026 | 92.6% | 29 |
| April 2026 | 89.7% | 30 |
| May 2026 | 90.9% | 11 |
| June 2026 | 57.1% | 7 |
| July 2026 | 50.0% | 30 |
| August 2026 | 55.6% | 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