Route · BOS → PHL · 2020–2025 BTS data
Boston to Philadelphia
The BOS–PHL corridor (Boston, MA → Philadelphia, PA) runs ahead of the national average, served by 25 carriers across roughly 280 miles.
Data updated 2026-06-13
- 83.5%
- On-time
- +4.5 pts
- vs US avg
- 89 min
- Delay when late
- 26,282
- Flights
Cancelled
1.8%
Best Month
Feb 2024 89%
Worst Month
Oct 2025 68%
Distance
280 mi
Carriers
25
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 364 | 85 | 6 | 2 | B6,YX,F9,AA |
| Nov 2025 | 407 | 62 | 13 | 0 | F9,AA,B6,YX |
| Oct 2025 | 462 | 148 | 5 | 1 | AA,B6,YX,F9 |
| Sep 2025 | 428 | 97 | 8 | 0 | YX,F9,AA,B6 |
| Aug 2025 | 409 | 80 | 7 | 0 | AA,YX,F9,B6 |
| Jul 2025 | 421 | 126 | 28 | 0 | AA,B6,YX,F9 |
| Jun 2025 | 410 | 119 | 17 | 0 | AA,B6,YX,F9 |
| May 2025 | 447 | 135 | 4 | 0 | AA,B6,YX,NK |
| Apr 2025 | 460 | 92 | 1 | 0 | F9,YX,AA,B6 |
| Mar 2025 | 457 | 83 | 3 | 0 | AA,B6,YX,F9 |
| Feb 2025 | 372 | 89 | 13 | 0 | AA,B6,YX,F9 |
| Jan 2025 | 389 | 56 | 6 | 1 | AA,B6,YX,F9 |
| Dec 2024 | 394 | 102 | 6 | 0 | AA,B6,F9,YX |
| Nov 2024 | 463 | 60 | 0 | 0 | YX,B6,F9,AA |
| Oct 2024 | 508 | 70 | 0 | 0 | YX,F9,B6,AA |
| Sep 2024 | 464 | 90 | 0 | 0 | YX,AA,B6,F9 |
| Aug 2024 | 505 | 127 | 29 | 0 | AA,B6,F9,YX |
| Jul 2024 | 495 | 113 | 12 | 0 | AA,B6,F9,YX |
| Jun 2024 | 461 | 116 | 15 | 2 | AA,B6,F9,YX |
| May 2024 | 487 | 96 | 1 | 0 | AA,B6,F9,YX |
| Apr 2024 | 424 | 64 | 3 | 0 | AA,B6,F9,YX |
| Mar 2024 | 387 | 51 | 3 | 1 | AA,B6,F9,YX |
| Feb 2024 | 337 | 36 | 2 | 0 | AA,B6,F9,YX |
| Jan 2024 | 337 | 77 | 7 | 1 | AA,B6,F9,YX |
Cancellation Rate
1.8%
189 of 10,288 flights
Diversion Rate
0.1%
8 of 10,288 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Origin airport →PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Destination airport →Compare the two airports
See BOS and PHL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–PHL.
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What the Data Says About BOS to PHL
Bureau of Transportation Statistics records show Boston to Philadelphia (BOS to PHL) running a 83.5% on-time rate over 26,282 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 88.6 minutes. The 280-mile corridor is served by 25 carriers, and over the last 24 months 1.8% of 10,288 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 89% on-time, while Oct 2025 came in at just 68% - a 21-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.