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Flight Reliability

AS 320 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 320 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

78%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 247 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(36 flights)
  • Tue83%(36 flights)
  • Wed74%(35 flights)
  • Thu73%(33 flights)
  • Fri71%(35 flights)
  • Sat77%(35 flights)
  • Sun89%(35 flights)
On-time by departure window
  • 3–6 AM85%(108 flights)
  • 6–9 AM91%(32 flights)
  • 9 AM–12 PM61%(69 flights)
  • 12–3 PM80%(30 flights)
  • 3–6 PM—(5 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
92%
May

Jun 67% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202574%31
August 202544%18
November 202587%30
December 202587%30
January 202681%31
February 202691%11
March 202673%15
April 202687%30
May 202692%12
Departures on time
87%
Diverted
0%
Flights flown
245
Months covered
11

Keep nerding

Based on 247 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.