Route · CLT → PWM · 2020–2025 BTS data
Charlotte to Portland
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CLT to PWM (Charlotte to Portland) ranks #2835 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.6%
- On-time
- +1.6 pts
- vs US avg
- 75 min
- Delay when late
- 4,177
- Flights
- #2835 of 4927
- Corpus placement
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 |
CLT–PWM seasonal on-time pattern
Best: October (87.4%) · weakest: July (71.7%)
Strongest calendar month
October
87.4% on-time · ~73 flights/mo
Busiest calendar month
September
~76 flights/mo avg
Weakest calendar month
July
71.7% on-time · ~75 flights/mo
Cancellation Rate
1.7%
25 of 1,456 flights
Diversion Rate
0.6%
9 of 1,456 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CLT - Charlotte
Full on-time, delay-cause, and seasonal performance for Charlotte, NC.
CLT on-time profilePWM - Portland
Full on-time, delay-cause, and seasonal performance for Portland, ME.
PWM on-time profileCompare the two airports
See CLT and PWM side by side on delays, cancellations, and reliability.
Compare CLT vs PWMOrigin-hub reliability standing
Mid-pack among CLT departures
From CLT, this corridor sits with 116 other 75–85% on-time routes out of 129 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 8 below 75%). Destination: Portland · fleet on-time rank #2872 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CLT–PWM.
Routes with a similar on-time rate
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.
On the multi-year calendar, CLT–PWM peaks in October at 87.4% on-time while September carries the heaviest traffic (~76 flights per month) ; the softest month is July at 71.7%, a 15.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CLT to PWM rank among US routes by traffic? ▼
How often are flights delayed from CLT to PWM? ▼
What is the cancellation rate for CLT to PWM? ▼
How far is the flight from CLT to PWM? ▼
When is the best time to fly from CLT to PWM? ▼
Airports on this route
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 CLT–PWM data
CLT–PWM is mid-pack at 80.6% on-time; month and carrier mix move more than the corridor headline.
- Compare CLT and PWM airport profiles: delay causes and top routes differ even on the same corridor. CLT airport
- If your dates flex, October (87.4% on-time) beats July (71.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.6% 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.
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.