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Route · ATL → PDX · 2020–2025 BTS data

Atlanta to Portland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to PDX (Atlanta to Portland) ranks #1687 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.5%
On-time
+4.5 pts
vs US avg
59 min
Delay when late
7,514
Flights
#1687 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Feb 2024 94%

Worst Month

Dec 2025 68%

Distance

2,172 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 122 39 1 0 DL,AS
Nov 2025 140 33 2 0 DL,AS
Oct 2025 154 32 0 0 AS,DL
Sep 2025 145 10 0 0 DL,AS
Aug 2025 163 21 0 0 AS,DL
Jul 2025 178 39 2 0 AS,DL
Jun 2025 167 43 3 0 AS,DL
May 2025 144 36 0 0 AS,DL
Apr 2025 120 31 0 0 DL,AS
Mar 2025 102 18 0 0 AS,DL
Feb 2025 70 22 0 1 DL
Jan 2025 81 19 1 0 AS,DL
Dec 2024 123 39 0 0 AS,DL
Nov 2024 128 30 0 0 AS,DL
Oct 2024 138 14 0 0 AS,DL
Sep 2024 107 19 0 0 DL
Aug 2024 139 29 0 2 DL
Jul 2024 141 39 9 1 DL
Jun 2024 137 33 0 2 DL
May 2024 114 33 0 0 DL
Apr 2024 90 11 0 0 DL
Mar 2024 91 8 0 0 DL
Feb 2024 70 4 0 1 DL
Jan 2024 77 8 0 1 DL

ATL–PDX seasonal on-time pattern

Best: September (90.6%) · weakest: December (77.0%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 77%

Strongest calendar month

September

90.6% on-time · ~113 flights/mo

Busiest calendar month

July

~135 flights/mo avg

Weakest calendar month

December

77.0% on-time · ~102 flights/mo

Cancellation Rate

0.6%

18 of 2,941 flights

Diversion Rate

0.3%

8 of 2,941 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

PDX - Portland

Full on-time, delay-cause, and seasonal performance for Portland, OR.

PDX on-time profile

Compare the two airports

See ATL and PDX side by side on delays, cancellations, and reliability.

Compare ATL vs PDX

Origin-hub reliability standing

Mid-pack among ATL departures

From ATL, this corridor sits with 75 other 75–85% on-time routes out of 144 tracked departures, not the hub's reliability leaders (67 at ≥85%) and not the softest ( 2 below 75%). Destination: Portland · fleet on-time rank #1745 of 4927.

What the Data Says About ATL to PDX

Bureau of Transportation Statistics records show Atlanta to Portland (ATL to PDX) running a 83.5% on-time rate over 7,514 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 58.5 minutes. The 2,172-mile corridor is served by 3 carriers, and over the last 24 months 0.6% of 2,941 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 68% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–PDX peaks in September at 90.6% on-time while July carries the heaviest traffic (~135 flights per month) ; the softest month is December at 77.0%, a 13.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to PDX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to PDX ranks #1687 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ATL to PDX? ▼
Flights from Atlanta to Portland have a 83.5% on-time rate based on 7,514 flights. The average delay is 58.5 minutes. The best recent month was Feb 2024 with 94% on-time.
What is the cancellation rate for ATL to PDX? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (18 of 2,941 flights) and 0.3% were diverted.
How far is the flight from ATL to PDX? ▼
The flight distance from Atlanta (ATL) to Portland (PDX) is approximately 2,172 miles. This route is served by 3 carriers.
When is the best time to fly from ATL to PDX? ▼
The best recent month for on-time performance was Feb 2024 (94% on-time). The worst was Dec 2025 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
PDX Airport

Portland
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ATL–PDX data

ATL–PDX runs 4.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ATL and PDX airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, September (90.6% on-time) beats December (77.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.