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Flight Reliability

AS 240 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 240 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

85%
Arrive within 15 minutes
2 min early
Average arrival delay
0.6%
Cancelled
10 min early
Median arrival delay

Based on 174 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(23 flights)
  • Tue82%(22 flights)
  • Wed86%(22 flights)
  • Thu84%(25 flights)
  • Fri85%(33 flights)
  • Sat83%(24 flights)
  • Sun88%(24 flights)
On-time by departure window
  • 9 AM–12 PM88%(60 flights)
  • 12–3 PM83%(112 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
90%
May

Dec 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202579%14
January 202690%31
February 202679%28
March 202679%29
April 202687%30
May 202690%31
Departures on time
79%
Diverted
0%
Flights flown
173
Months covered
10

Keep nerding

Based on 174 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.