Flight AS77
Alaska Airlines flight AS77
Looking for AS77 in the air…
Alerts at this flight's airports
Seattle (SEA) to Anchorage (ANC)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 39 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 39 min
- Flights arriving 15+ minutes late
- Flights tracked
- 102
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Air traffic control & airport 30%
- Late-arriving aircraft 25%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Pittsburgh (PIT)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 36 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 71.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 36 min
- Flights arriving 15+ minutes late
- Flights tracked
- 82
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 19%
- Security 2%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (JFK) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 73% of the time, and when it is late the delay averages 45 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 27.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 45 min
- Flights arriving 15+ minutes late
- Flights tracked
- 22
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 65%
- Airline (crew, maintenance, cleaning) 29%
- Late-arriving aircraft 4%
- Security 2%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Gustavus (GST) to Juneau (JNU)
Only 4 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
Portland (PDX) to Ontario (ONT)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Portland (PDX) to Phoenix (PHX)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 30.4% | 23 |
| November 2025 | 100.0% | 10 |
| December 2025 | 0.0% | 1 |
| January 2026 | 70.8% | 25 |
| February 2026 | 85.7% | 28 |
| March 2026 | 68.8% | 17 |
| April 2026 | 80.0% | 10 |
| May 2026 | 75.0% | 12 |
| June 2026 | 84.0% | 25 |
| July 2026 | 60.0% | 30 |
| August 2026 | 75.9% | 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