Flight AS259
Alaska Airlines flight AS259
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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
Kailua-Kona (KOA) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 50 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 245
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Air traffic control & airport 26%
- Late-arriving aircraft 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Diego (SAN) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 37 minutes. It was cancelled 6.7% of the time.
- On-time arrivals
- 89.3%
- Less than 15 minutes late
- Cancelled
- 6.7%
- Of scheduled flights
- Average delay when late
- 37 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 74%
- Air traffic control & airport 26%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Reno (RNO) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 95.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 20
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 17 |
| October 2025 | 91.7% | 13 |
| November 2025 | 100.0% | 9 |
| December 2025 | 86.7% | 15 |
| January 2026 | 87.1% | 31 |
| February 2026 | 88.9% | 28 |
| March 2026 | 87.1% | 31 |
| April 2026 | 96.6% | 29 |
| May 2026 | 93.5% | 31 |
| June 2026 | 90.0% | 30 |
| July 2026 | 96.6% | 30 |
| August 2026 | 90.0% | 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