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Flight Reliability

AS 737 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 737 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

81%
Arrive within 15 minutes
1 min
Average arrival delay
0.6%
Cancelled
10 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(48 flights)
  • Tue79%(47 flights)
  • Wed76%(50 flights)
  • Thu81%(52 flights)
  • Fri83%(52 flights)
  • Sat88%(49 flights)
  • Sun80%(50 flights)
On-time by departure window
  • 6–9 AM89%(121 flights)
  • 9 AM–12 PM86%(158 flights)
  • 3–6 PM63%(19 flights)
  • 6–9 PM52%(50 flights)
On-time trend by month
74%
May

Jun 100% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%19
July 2025100%30
August 202577%31
September 202597%30
October 202588%25
January 202675%24
February 202689%28
March 202664%45
April 202674%58
May 202674%57
Departures on time
83%
Diverted
0.3%
Flights flown
348
Months covered
11

Keep nerding

Based on 351 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.