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Flight Reliability

AS 66 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 66 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

83%
Arrive within 15 minutes
2 min early
Average arrival delay
1.5%
Cancelled
11 min early
Median arrival delay

Based on 1,431 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(205 flights)
  • Tue89%(197 flights)
  • Wed77%(202 flights)
  • Thu81%(190 flights)
  • Fri78%(200 flights)
  • Sat84%(201 flights)
  • Sun84%(197 flights)
On-time by departure window
  • 12–3 PM82%(419 flights)
  • 3–6 PM86%(644 flights)
  • 6–9 PM79%(329 flights)
On-time trend by month
90%
May

Jun 73% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%118
July 202576%123
August 202576%124
September 202583%120
October 202588%116
November 202591%112
December 202573%106
January 202675%111
February 202693%108
March 202689%116
April 202692%118
May 202690%120
Departures on time
81%
Diverted
1.3%
Flights flown
1,392
Months covered
12

Keep nerding

Based on 1,431 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.