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WanderNerd

Flight Reliability

AS 1290 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1290 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

89%
Arrive within 15 minutes
4 min early
Average arrival delay
8.9%
Cancelled
8 min early
Median arrival delay

Based on 292 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon97%(35 flights)
  • Tue92%(39 flights)
  • Wed95%(42 flights)
  • Thu69%(42 flights)
  • Fri89%(35 flights)
  • Sat88%(32 flights)
  • Sun95%(40 flights)
On-time by departure window
  • 6–9 AM91%(131 flights)
  • 9 AM–12 PM87%(134 flights)
On-time trend by month
94%
Oct

Jun 83% → Oct 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%52
July 202587%55
August 202588%56
September 202595%56
October 202594%46
Departures on time
93%
Diverted
0.3%
Flights flown
265
Months covered
5

Based on 292 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.