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Flight Reliability

AS 77 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 77 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

76%
Arrive within 15 minutes
4 min
Average arrival delay
2.4%
Cancelled
3 min early
Median arrival delay

Based on 212 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(30 flights)
  • Tue69%(29 flights)
  • Wed79%(28 flights)
  • Thu79%(29 flights)
  • Fri87%(30 flights)
  • Sat68%(31 flights)
  • Sun80%(30 flights)
On-time by departure window
  • 9 AM–12 PM79%(100 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM72%(105 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
75%
May

Jun 79% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%24
July 202583%30
August 202586%29
October 202535%23
November 2025100%10
January 202671%24
February 202689%28
March 202669%16
April 202680%10
May 202675%12
Departures on time
80%
Diverted
0%
Flights flown
207
Months covered
11

Keep nerding

Based on 212 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.