Route · BUF → BOS · 2020–2025 BTS data
Buffalo to Boston
The BUF–BOS corridor (Buffalo, NY → Boston, MA) runs ahead of the national average, served by 7 carriers across roughly 395 miles.
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 84 min
- Delay when late
- 4,269
- Flights
Cancelled
1.5%
Best Month
Oct 2024 92%
Worst Month
Dec 2025 63%
Distance
395 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 72 | 27 | 6 | 0 | B6 |
| Nov 2025 | 85 | 18 | 0 | 0 | B6 |
| Oct 2025 | 105 | 33 | 2 | 0 | B6 |
| Sep 2025 | 88 | 25 | 1 | 0 | B6 |
| Aug 2025 | 124 | 20 | 1 | 0 | B6 |
| Jul 2025 | 123 | 46 | 1 | 0 | B6 |
| Jun 2025 | 101 | 24 | 0 | 0 | B6 |
| May 2025 | 86 | 25 | 0 | 0 | B6 |
| Apr 2025 | 86 | 7 | 1 | 0 | B6 |
| Mar 2025 | 64 | 7 | 0 | 0 | B6 |
| Feb 2025 | 49 | 13 | 1 | 0 | B6 |
| Jan 2025 | 52 | 8 | 1 | 0 | B6 |
| Dec 2024 | 79 | 14 | 4 | 1 | B6 |
| Nov 2024 | 87 | 11 | 0 | 0 | B6 |
| Oct 2024 | 89 | 7 | 0 | 0 | B6 |
| Sep 2024 | 87 | 12 | 0 | 0 | B6 |
| Aug 2024 | 93 | 18 | 2 | 0 | B6 |
| Jul 2024 | 90 | 14 | 0 | 0 | B6 |
| Jun 2024 | 83 | 19 | 0 | 0 | B6 |
| May 2024 | 89 | 13 | 0 | 0 | B6 |
| Apr 2024 | 60 | 6 | 1 | 0 | B6 |
| Mar 2024 | 62 | 10 | 0 | 0 | B6 |
| Feb 2024 | 56 | 10 | 0 | 0 | B6 |
| Jan 2024 | 54 | 14 | 8 | 0 | B6 |
Cancellation Rate
1.5%
29 of 1,964 flights
Diversion Rate
0.1%
1 of 1,964 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BUF - Buffalo
Full on-time, delay-cause, and seasonal performance for Buffalo, NY.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See BUF 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 BUF–BOS.
Routes with a similar on-time rate
What the Data Says About BUF to BOS
Bureau of Transportation Statistics records show Buffalo to Boston (BUF to BOS) running a 82.1% on-time rate over 4,269 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 83.7 minutes. The 395-mile corridor is served by 7 carriers, and over the last 24 months 1.5% of 1,964 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 63% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from BUF to BOS? ▼
What is the cancellation rate for BUF to BOS? ▼
How far is the flight from BUF to BOS? ▼
When is the best time to fly from BUF to BOS? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.