Flight AS921
Alaska Airlines flight AS921
Looking for AS921 in the air…
Kailua-Kona (KOA) to San Jose (SJC)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 57 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 67.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 40
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Late-arriving aircraft 24%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jun 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| June 2026 | 66.7% | 12 |
| July 2026 | 72.2% | 18 |
| August 2026 | 60.0% | 10 |
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