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Flight Reliability

AS 348 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 348 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
8 min
Average arrival delay
1.4%
Cancelled
1 min
Median arrival delay

Based on 285 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(45 flights)
  • Tue77%(35 flights)
  • Wed82%(33 flights)
  • Thu71%(42 flights)
  • Fri70%(43 flights)
  • Sat68%(38 flights)
  • Sun71%(45 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM85%(33 flights)
  • 3–6 PM74%(172 flights)
  • 6–9 PM61%(75 flights)
On-time trend by month
83%
May

Jun 50% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%20
July 202565%31
August 202565%31
September 202587%30
October 202588%25
November 202558%19
December 202555%29
January 202656%18
February 202691%23
March 202681%16
May 202683%30
Departures on time
68%
Diverted
0%
Flights flown
281
Months covered
12

Keep nerding

Based on 285 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.