Route
JFK → PWM
John F. Kennedy International Airport Portland International Jetport
273 miles
Return route PWM → JFK →
How punctual is this route?
- On-time arrivals
- 74.3%
- Less than 15 minutes late
- Cancelled
- 5.1%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 389
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 6%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.2% | 48 |
| October 2025 | 77.8% | 45 |
| January 2026 | 91.7% | 27 |
| February 2026 | 92.0% | 28 |
| March 2026 | 80.0% | 10 |
| April 2026 | 80.0% | 30 |
| May 2026 | 76.9% | 40 |
| June 2026 | 73.6% | 54 |
| July 2026 | 46.8% | 54 |
| August 2026 | 68.8% | 53 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 327 | 70.9% | 4.3% | 78 min |
| Republic Airways | 62 | 92.9% | 9.7% | 130 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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