Route Reliability
Portland → New York
PWM–LGA · 269 miles · Portland International Jetport to LaGuardia Airport
- 81%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 4.1%
- Cancelled
- 1,616
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines89%410 flights
- 2.Delta Air Lines78%1,206 flights
What the data says
Morning-you made the right choice.
PWM–LGA flights departing between 3–6 AM arrived on time 95% of the time, versus 71% between 3–6 PM.
Saturday has been the better bet.
A small edge: 83% on time on Saturdays against 78% on Tuesdays.
American Airlines runs this route best.
American Airlines arrived on time 89% of the time on this route; Delta Air Lines managed 78%.
Keep a backup plan handy.
This route was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon82%(227 flights)
- Tue78%(234 flights)
- Wed83%(232 flights)
- Thu80%(224 flights)
- Fri80%(232 flights)
- Sat83%(178 flights)
- Sun80%(221 flights)
- 3–6 AM95%(20 flights)
- 6–9 AM90%(468 flights)
- 9 AM–12 PM85%(327 flights)
- 12–3 PM75%(370 flights)
- 3–6 PM71%(360 flights)
- 6–9 PM—(3 flights)
Jun 76% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 173 |
| July 2025 | 78% | 161 |
| August 2025 | 89% | 178 |
| September 2025 | 88% | 170 |
| October 2025 | 78% | 175 |
| November 2025 | 76% | 84 |
| December 2025 | 68% | 74 |
| January 2026 | 77% | 75 |
| February 2026 | 85% | 74 |
| March 2026 | 70% | 80 |
| April 2026 | 81% | 132 |
| May 2026 | 88% | 172 |
Same trip, other airports
Keep nerding
Based on 1,616 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.