Skip to content
WanderNerd
Check a flight

Flight Reliability

AS 141 · Alaska Airlines

Phoenix → Anchorage (PHX–ANC)89% of its flights flew this route. The rest (SEA–HNL, SEA–DFW) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 323 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AS 141 departing between 9 PM–12 AM arrived on time 89% of the time, versus 64% between 12–3 AM.

Thursdays have been rough.

AS 141 arrived on time 83% of the time on Saturdays and just 63% on Thursdays. That gap is worth planning around.

A bit behind the PHX–ANC route.

AS 141 arrived on time 76% of the time, versus 79% across the PHX–ANC route.

A bit behind the Alaska Airlines network.

AS 141 arrived on time 76% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon76%(46 flights)
  • Tue77%(47 flights)
  • Wed80%(45 flights)
  • Thu63%(41 flights)
  • Fri73%(44 flights)
  • Sat83%(47 flights)
  • Sun78%(49 flights)
On-time by departure window
  • 12–3 AM64%(28 flights)
  • 3–6 PM67%(36 flights)
  • 6–9 PM77%(220 flights)
  • 9 PM–12 AM89%(35 flights)
On-time trend by month
60%
May

Jun 79% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202553%30
August 202567%30
September 2025100%30
October 202580%30
November 202576%29
December 202559%29
January 202680%30
February 2026100%11
March 202673%15
April 2026100%26
May 202660%30
Departures on time
71%
Diverted
1.2%
Flights flown
319
Months covered
12

Same route, other flights

Keep nerding

Based on 323 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.