Charlotte (CLT) to Portland (PWM): On-Time Performance
Data through May 2026
Charlotte (CLT) to Portland (PWM) effectively runs on two schedules. In January 2025, 94% of arrivals were on time; in July 2024 that fell to 53% — a 41-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 69%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 1.9
- last 12 months
- Duration
- 2h 17m
- scheduled
- Distance
- 813 mi
Best airline from CLT to PWM
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| PSA Airlinesmost reliable | 77% | 17 min | 4.2% | 216 |
| American Airlines | 74% | 21 min | 1.8% | 1,237 |
Monthly on-time trend
Best time to fly from CLT to PWM
Aim for departures around 7 p.m. (88% on-time); avoid 9 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 22 min |
| Tuesday | 74% | 16 min |
| Wednesdaybest | 78% | 18 min |
| Thursday | 75% | 21 min |
| Friday | 73% | 22 min |
| Saturday | 78% | 14 min |
| Sunday | 69% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations37%
- National airspace system8%
- Weather15%
Frequently asked questions
- How often are flights from CLT to PWM delayed?
- 26% of CLT–PWM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from CLT to PWM?
- PSA Airlines has the best on-time record on this route at 77%, based on 216 flights. 2 airlines flew CLT–PWM frequently enough to compare in this period.
- What is the best time of day to fly from CLT to PWM?
- Departures around 7 p.m. have the best record (88% on-time), while departures around 9 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to PWM?
- The scheduled CLT–PWM flight time averages 2h 17m over 813 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are CLT to PWM flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from CLT to PWM?
- July 2024 was the roughest month in this dataset, with only 53% of arrivals on time. The best was January 2025 at 94%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 1,453 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.