Flight AS991
Alaska Airlines flight AS991
Looking for AS991 in the air…
Seattle (SEA) to Honolulu, Oahu (HNL)
Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 85 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 56.5%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 110
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Late-arriving aircraft 26%
- Extreme weather 4%
- Air traffic control & airport 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Lihue, Kauai (LIH) to Sacramento (SMF)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 95%
- Air traffic control & airport 5%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jan 2026
May 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| January 2026 | 63.3% | 31 |
| February 2026 | 44.4% | 28 |
| March 2026 | 45.2% | 31 |
| April 2026 | 80.0% | 25 |
| May 2026 | 71.4% | 7 |
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