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Route Reliability

Atlanta → Portland

ATL–PDX · 2,172 miles · Hartsfield–Jackson Atlanta International Airport to Portland International Airport

83
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
6 min
Average arrival delay
1.1%
Cancelled
1,594
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines82%286 flights
  2. 2.Delta Air Lines79%1,306 flights

Not enough history to rank: American Airlines (1 flights), Southwest Airlines (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

ATL–PDX flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 75% between 3–6 PM.

Friday is doing you no favors.

ATL–PDX flights arrived on time 83% of the time on Thursdays. On Fridays: 75%.

Not much between Alaska Airlines and Delta Air Lines.

On this route they all land within 79% to 82% on time. Pick on schedule and price.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon78%(232 flights)
  • Tue81%(224 flights)
  • Wed80%(226 flights)
  • Thu83%(225 flights)
  • Fri75%(231 flights)
  • Sat82%(207 flights)
  • Sun81%(230 flights)
On-time by departure window
  • 6–9 AM85%(335 flights)
  • 9 AM–12 PM90%(202 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM75%(389 flights)
  • 6–9 PM77%(600 flights)
  • 9 PM–12 AM79%(47 flights)
On-time trend by month
80%
May

Jun 74% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%164
July 202578%176
August 202587%163
September 202593%145
October 202581%154
November 202578%138
December 202569%121
January 202684%92
February 202678%77
March 202667%102
April 202689%114
May 202680%129

Keep nerding

Based on 1,594 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.