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Flight Reliability

AS 573 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 573 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

77%
Arrive within 15 minutes
5 min
Average arrival delay
0.9%
Cancelled
4 min early
Median arrival delay

Based on 216 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(30 flights)
  • Tue87%(30 flights)
  • Wed74%(27 flights)
  • Thu59%(32 flights)
  • Fri81%(31 flights)
  • Sat88%(32 flights)
  • Sun78%(32 flights)
On-time by departure window
  • 6–9 AM77%(100 flights)
  • 9 AM–12 PM63%(30 flights)
  • 3–6 PM82%(84 flights)
On-time trend by month
87%
May

Jun 67% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202563%30
August 202582%28
September 202586%21
December 202562%13
March 202690%19
April 202687%30
May 202687%31
Departures on time
78%
Diverted
0%
Flights flown
214
Months covered
11

Keep nerding

Based on 216 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.