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Flight Reliability

AS 593 · Alaska Airlines

Anchorage → Portland (ANC–PDX)

100
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
6 min early
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 250 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

AS 593 departing between 3–6 AM arrived on time 95% of the time, versus 83% between 12–3 AM.

Wednesday is the weak spot.

AS 593 arrived on time 97% of the time on Fridays. On Wednesdays: 84%.

A bit ahead of the ANC–PDX route.

AS 593 arrived on time 93% of the time, versus 89% across the ANC–PDX route.

Better than the Alaska Airlines network average.

AS 593 arrived on time 93% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon92%(37 flights)
  • Tue97%(31 flights)
  • Wed84%(31 flights)
  • Thu92%(38 flights)
  • Fri97%(37 flights)
  • Sat94%(36 flights)
  • Sun95%(40 flights)
On-time by departure window
  • 12–3 AM83%(30 flights)
  • 3–6 AM95%(201 flights)
  • 9 AM–12 PM90%(19 flights)
On-time trend by month
90%
May

Jun 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%19
July 2025100%31
August 202594%31
September 202593%30
October 202597%31
November 202590%29
December 202593%15
February 2026100%10
March 202696%23
May 202690%19
Departures on time
93%
Diverted
0%
Flights flown
250
Months covered
12

Same route, other flights

Keep nerding

Based on 250 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.