Flight AS166
Alaska Airlines flight AS166
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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
Boise (BOI) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 50 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 89.1%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 176
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 64%
- Airline (crew, maintenance, cleaning) 34%
- Extreme weather 2%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 101 minutes. It was cancelled 4.8% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 80%
- Late-arriving aircraft 17%
- Air traffic control & airport 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 80.0% | 26 |
| November 2025 | 85.7% | 29 |
| December 2025 | 96.8% | 31 |
| January 2026 | 83.9% | 31 |
| February 2026 | 89.3% | 28 |
| March 2026 | 86.7% | 31 |
| April 2026 | 90.5% | 21 |
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