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Flight Reliability

AS 450 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 450 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

72%
Arrive within 15 minutes
10 min
Average arrival delay
0.6%
Cancelled
4 min
Median arrival delay

Based on 638 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(96 flights)
  • Tue81%(79 flights)
  • Wed75%(96 flights)
  • Thu78%(96 flights)
  • Fri66%(96 flights)
  • Sat74%(73 flights)
  • Sun69%(97 flights)
On-time by departure window
  • 9 AM–12 PM79%(330 flights)
  • 3–6 PM36%(11 flights)
  • 6–9 PM65%(292 flights)
On-time trend by month
70%
May

Jun 51% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202551%49
July 202556%61
August 202567%60
September 202580%56
October 202581%62
November 202585%58
December 202555%62
January 202678%27
February 202690%31
March 202682%51
April 202681%59
May 202670%57
Departures on time
73%
Diverted
0.2%
Flights flown
633
Months covered
12

Keep nerding

Based on 638 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.