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Flight Reliability

AS 784 · Alaska Airlines

Portland → Atlanta (PDX–ATL)99% of its flights flew this route. The rest (DEN–SEA, SEA–BUR) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
2 min
Median arrival delay

Based on 276 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

AS 784 arrived on time 81% of the time on Wednesdays. On Fridays: 68%.

Lagging the PDX–ATL route.

AS 784 arrived on time 75% of the time, versus 88% across the PDX–ATL route.

A bit behind the Alaska Airlines network.

AS 784 arrived on time 75% of the time, versus 80% across the Alaska Airlines network.

It basically never cancels.

Out of 276 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon78%(40 flights)
  • Tue73%(40 flights)
  • Wed81%(42 flights)
  • Thu81%(41 flights)
  • Fri68%(40 flights)
  • Sat69%(32 flights)
  • Sun76%(41 flights)
On-time by departure window
  • 6–9 AM75%(273 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
93%
May

Jun 60% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202548%31
August 202571%31
September 202563%30
October 202571%31
November 202583%29
December 202592%25
March 2026100%12
April 202689%26
May 202693%29
Departures on time
90%
Diverted
0%
Flights flown
276
Months covered
12

Same route, other flights

Keep nerding

Based on 276 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.