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Flight Reliability

AS 3428 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3428 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

69%
Arrive within 15 minutes
13 min
Average arrival delay
2.5%
Cancelled
3 min
Median arrival delay

Based on 198 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(35 flights)
  • Tue94%(17 flights)
  • Wed70%(10 flights)
  • Thu66%(35 flights)
  • Fri49%(35 flights)
  • Sat87%(23 flights)
  • Sun66%(38 flights)
On-time by departure window
  • 9 AM–12 PM94%(32 flights)
  • 3–6 PM78%(40 flights)
  • 6–9 PM59%(120 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
30%
May

Jun 78% → May 30% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%18
July 202567%15
August 202556%18
September 202553%17
October 202554%26
November 202564%28
December 202585%20
February 202694%17
March 202694%18
May 202630%10
Departures on time
73%
Diverted
0%
Flights flown
193
Months covered
12

Keep nerding

Based on 198 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.