Skip to content
WanderNerd
Check a flight

Route Reliability

Portland → FAT

PDX–FAT · 626 miles · Portland International Airport to FAT Airport

91
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
5 min
Average arrival delay
0.5%
Cancelled
792
Flights in the data

Data through May 2026.

Airlines on this route

  • Alaska Airlines85% on time · 771 flights
  • Allegiant Air81% on time · 21 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

PDX–FAT flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 79% between 3–6 PM.

Wednesday is the weak spot.

PDX–FAT flights arrived on time 89% of the time on Fridays. On Wednesdays: 81%.

Ticking up lately.

PDX–FAT flights arrived on time 85% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(112 flights)
  • Tue81%(111 flights)
  • Wed81%(110 flights)
  • Thu87%(119 flights)
  • Fri89%(110 flights)
  • Sat88%(101 flights)
  • Sun87%(124 flights)
On-time by departure window
  • 6–9 AM82%(157 flights)
  • 9 AM–12 PM93%(55 flights)
  • 12–3 PM87%(197 flights)
  • 3–6 PM79%(89 flights)
  • 6–9 PM85%(289 flights)
On-time trend by month
84%
May

Jun 83% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%99
July 202584%102
August 202584%93
September 202592%86
October 202582%62
November 202590%67
December 202584%77
January 202688%41
February 202668%28
March 202684%31
April 202687%39
May 202684%62

Keep nerding

Based on 792 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.