Flight AS389
Alaska Airlines flight AS389
Looking for AS389 in the air…
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
Boston (BOS) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 61 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 69.5%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 314
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 58.8% | 17 |
| October 2025 | 55.6% | 19 |
| November 2025 | 75.0% | 20 |
| December 2025 | 80.0% | 27 |
| January 2026 | 75.0% | 26 |
| February 2026 | 69.2% | 27 |
| March 2026 | 71.0% | 31 |
| April 2026 | 80.0% | 30 |
| May 2026 | 64.5% | 31 |
| June 2026 | 53.3% | 30 |
| July 2026 | 80.0% | 30 |
| August 2026 | 65.4% | 26 |
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