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Flight Reliability

AS 63 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 63 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

63%
Arrive within 15 minutes
10 min
Average arrival delay
1.9%
Cancelled
5 min
Median arrival delay

Based on 210 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(32 flights)
  • Tue77%(31 flights)
  • Wed72%(29 flights)
  • Thu68%(31 flights)
  • Fri42%(31 flights)
  • Sat64%(22 flights)
  • Sun59%(29 flights)
On-time by departure window
  • 9 AM–12 PM58%(134 flights)
  • 6–9 PM75%(71 flights)
On-time trend by month
93%
Apr

Jun 40% → Apr 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202542%31
August 202555%31
September 202580%30
November 202584%25
December 202563%19
March 202680%10
April 202693%15
Departures on time
71%
Diverted
0.5%
Flights flown
205
Months covered
10

Keep nerding

Based on 210 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.