Route · PHL → BOS · 2020–2025 BTS data
Philadelphia to Boston
The PHL–BOS corridor (Philadelphia, PA → Boston, MA) runs ahead of the national average, served by 24 carriers across roughly 280 miles.
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 78 min
- Delay when late
- 26,321
- Flights
Cancelled
1.9%
Best Month
Nov 2024 89%
Worst Month
Sep 2025 62%
Distance
280 mi
Carriers
24
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 365 | 87 | 6 | 0 | B6,YX,F9,AA |
| Nov 2025 | 407 | 73 | 11 | 0 | F9,AA,B6,YX |
| Oct 2025 | 462 | 161 | 7 | 0 | AA,B6,YX,F9 |
| Sep 2025 | 427 | 164 | 10 | 0 | YX,F9,AA,B6 |
| Aug 2025 | 406 | 92 | 6 | 0 | AA,YX,F9,B6 |
| Jul 2025 | 420 | 128 | 28 | 0 | AA,B6,YX,F9 |
| Jun 2025 | 411 | 117 | 11 | 0 | AA,B6,YX,F9 |
| May 2025 | 446 | 137 | 5 | 0 | AA,B6,YX |
| Apr 2025 | 460 | 83 | 3 | 1 | F9,YX,AA,B6 |
| Mar 2025 | 456 | 72 | 5 | 0 | AA,B6,YX,F9 |
| Feb 2025 | 371 | 96 | 13 | 1 | AA,B6,YX,F9 |
| Jan 2025 | 388 | 66 | 6 | 0 | AA,B6,YX,F9 |
| Dec 2024 | 395 | 82 | 6 | 0 | AA,B6,F9,YX |
| Nov 2024 | 463 | 49 | 0 | 0 | YX,B6,F9,AA |
| Oct 2024 | 508 | 69 | 0 | 0 | YX,F9,B6,AA |
| Sep 2024 | 464 | 98 | 0 | 0 | YX,AA,B6,F9 |
| Aug 2024 | 505 | 173 | 31 | 0 | AA,B6,F9,YX |
| Jul 2024 | 496 | 151 | 8 | 0 | AA,B6,F9,YX |
| Jun 2024 | 459 | 120 | 18 | 2 | AA,B6,F9,YX |
| May 2024 | 489 | 146 | 2 | 1 | AA,B6,F9,YX |
| Apr 2024 | 424 | 81 | 4 | 0 | AA,B6,F9,YX |
| Mar 2024 | 387 | 67 | 3 | 0 | AA,B6,F9,YX |
| Feb 2024 | 337 | 56 | 2 | 0 | AA,B6,F9,YX |
| Jan 2024 | 337 | 88 | 7 | 0 | AA,B6,F9,YX |
Cancellation Rate
1.9%
192 of 10,283 flights
Diversion Rate
0.0%
5 of 10,283 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See PHL and BOS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–BOS.
Routes with a similar on-time rate
What the Data Says About PHL to BOS
Bureau of Transportation Statistics records show Philadelphia to Boston (PHL to BOS) running a 82% on-time rate over 26,321 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.2 minutes. The 280-mile corridor is served by 24 carriers, and over the last 24 months 1.9% of 10,283 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 89% on-time, while Sep 2025 came in at just 62% - a 28-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.