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Flight Reliability

AS 778 · Alaska Airlines

Portland → Las Vegas (PDX–LAS)

93
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 357 historical flights. Data through May 2026.

What the data says

Skip Thursday if you can.

AS 778 arrived on time 90% of the time on Saturdays. On Thursdays: 81%.

A bit ahead of the PDX–LAS route.

AS 778 arrived on time 85% of the time, versus 82% across the PDX–LAS route.

A bit ahead of the Alaska Airlines network.

AS 778 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.

It basically never cancels.

Out of 357 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon84%(50 flights)
  • Tue85%(52 flights)
  • Wed89%(52 flights)
  • Thu81%(52 flights)
  • Fri82%(50 flights)
  • Sat90%(48 flights)
  • Sun85%(53 flights)
On-time by departure window
  • 12–3 PM85%(309 flights)
  • 3–6 PM83%(48 flights)
On-time trend by month
90%
May

Jun 87% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202574%31
August 202581%31
September 202579%29
October 202577%31
November 202586%29
December 202579%29
January 202690%30
February 202693%28
March 202693%28
April 202690%30
May 202690%31
Departures on time
85%
Diverted
0%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 357 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.