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Route · CLT → PWM · 2020–2025 BTS data

Charlotte to Portland

The CLT–PWM corridor (Charlotte, NC → Portland, ME) runs ahead of the national average, served by 6 carriers across roughly 813 miles.

Data updated 2026-06-13

80.6%
On-time
+1.6 pts
vs US avg
75 min
Delay when late
4,177
Flights

Cancelled

1.7%

Best Month

Sep 2025 90%

Worst Month

Jul 2024 57%

Distance

813 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 8 0 0 AA
Nov 2025 32 8 0 0 OH,AA
Oct 2025 78 12 0 1 AA,OH
Sep 2025 81 8 1 0 OH,AA
Aug 2025 79 20 1 0 AA,OH
Jul 2025 94 27 3 0 AA,OH
Jun 2025 91 27 5 0 AA,OH
May 2025 62 20 0 0 AA,OH
Apr 2025 57 11 0 0 OH,AA
Mar 2025 31 9 0 0 AA
Jan 2025 32 2 1 0 AA
Dec 2024 33 11 0 0 AA
Nov 2024 38 7 0 0 AA
Oct 2024 94 17 0 0 AA
Sep 2024 94 16 1 1 AA
Aug 2024 92 33 2 1 AA
Jul 2024 97 42 8 0 AA
Jun 2024 90 29 2 4 AA,OH
May 2024 63 22 0 0 AA,OH,YX
Apr 2024 57 16 0 1 AA,OH
Mar 2024 31 17 1 0 AA
Jan 2024 31 16 0 0 AA
Dec 2023 31 11 0 0 AA
Nov 2023 37 7 0 1 AA,OH

Cancellation Rate

1.7%

25 of 1,456 flights

Diversion Rate

0.6%

9 of 1,456 flights

What the Data Says About CLT to PWM

4,177 tracked flights put the CLT to PWM pairing (Charlotte to Portland) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 74.6 minutes on average. Across the 813-mile route and its 6 carriers, the trailing 24 months show 1.7% cancelled and 0.6% diverted (1,456 flights sampled).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 57% - a 33-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CLT to PWM?
Flights from Charlotte to Portland have a 80.6% on-time rate based on 4,177 flights. The average delay is 74.6 minutes. The best recent month was Sep 2025 with 90% on-time.
What is the cancellation rate for CLT to PWM?
Over the last 24 months, 1.7% of flights on this route were cancelled (25 of 1,456 flights) and 0.6% were diverted.
How far is the flight from CLT to PWM?
The flight distance from Charlotte (CLT) to Portland (PWM) is approximately 813 miles. This route is served by 6 carriers.
When is the best time to fly from CLT to PWM?
The best recent month for on-time performance was Sep 2025 (90% on-time). The worst was Jul 2024 (57% on-time). Consider booking during months with historically better performance.

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Data source

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

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 Editorial

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.