Best Time to Fly CLT to PWM: On-Time Stats by Hour & Airline
Charlotte Douglas International → Portland International Jetport
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.9% of Charlotte (CLT) to Portland (PWM) flights arrived on time (708 scheduled flights). That is 1.7 points below the national average of 77.6%.
Among 2 airlines, PSA Airlines led with 87.8% on time and American Airlines was last with 74.1%.
Over 24 months, Wednesday was the most reliable day (79% on time) and July the worst month (65%).
The cancellation rate was 1.3% (US average 1.8%).
CLT to PWM on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| PSA Airlines | 87.8% | 70 min | 2.1% | 93 |
| American Airlines | 74.1% | 82 min | 1.1% | 615 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to PWM
On-time arrival % by scheduled departure hour (local time), 1,454 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 12 | |
| 8am–9am | 87.2% | 0.0% | 47 |
| 9am–10am | 94.3% | 0.0% | 35 |
| 10am–11am | 84.3% | 0.8% | 123 |
| 11am–12pm | 79.5% | 0.4% | 240 |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | 76.9% | 0.0% | 65 |
| 2pm–3pm | 71.8% | 0.0% | 188 |
| 3pm–4pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 9 | |
| 6pm–7pm | Limited data | 4 | |
| 7pm–8pm | 88.3% | 5.9% | 118 |
| 8pm–9pm | 66.2% | 2.0% | 504 |
| 9pm–10pm | Limited data | 25 | |
| 10pm–11pm | 73.7% | 1.7% | 58 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT to PWM
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 16 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 84.4% | +5.7 pts | 0.0% | 32 |
| Summer peak (Jun 15 - Aug 15) | 65.1% | -13.5 pts | 2.4% | 374 |
| All other days | 78.7% | — | 1.2% | 1,032 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).