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Flight Reliability

AS 630 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 630 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
4 min early
Average arrival delay
1.2%
Cancelled
10 min early
Median arrival delay

Based on 251 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(38 flights)
  • Tue84%(38 flights)
  • Wed78%(37 flights)
  • Thu81%(37 flights)
  • Fri86%(35 flights)
  • Sat82%(28 flights)
  • Sun91%(35 flights)
On-time by departure window
  • 6–9 AM100%(25 flights)
  • 9 AM–12 PM79%(136 flights)
  • 3–6 PM86%(35 flights)
  • 6–9 PM92%(52 flights)
On-time trend by month
100%
May

Jul 65% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202565%17
August 202562%29
September 202589%26
October 202577%30
November 202588%17
December 202581%16
January 202696%25
February 2026100%11
March 202690%31
April 202693%29
May 2026100%12
Departures on time
83%
Diverted
0%
Flights flown
248
Months covered
12

Keep nerding

Based on 251 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.