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Flight Reliability

AS 2155 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2155 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
1.0%
Cancelled
2 min early
Median arrival delay

Based on 294 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(48 flights)
  • Tue91%(35 flights)
  • Wed74%(31 flights)
  • Thu71%(45 flights)
  • Fri80%(46 flights)
  • Sat84%(38 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 12–3 PM92%(115 flights)
  • 3–6 PM72%(53 flights)
  • 6–9 PM68%(123 flights)
On-time trend by month
90%
May

Jun 70% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202581%31
August 202577%30
October 202583%24
November 202553%19
December 202570%23
January 202675%20
February 202678%23
March 202676%29
April 202697%30
May 202690%31
Departures on time
75%
Diverted
0%
Flights flown
291
Months covered
12

Keep nerding

Based on 294 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.