Route · BUF → BOS · 2020–2025 BTS data
Buffalo to Boston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BUF to BOS (Buffalo to Boston) ranks #2786 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.1%
- On-time
- +3.1 pts
- vs US avg
- 84 min
- Delay when late
- 4,269
- Flights
- #2786 of 4927
- Corpus placement
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 |
BUF–BOS seasonal on-time pattern
Best: March (90.0%) · weakest: July (70.6%)
Strongest calendar month
March
90.0% on-time · ~88 flights/mo
Busiest calendar month
March
~88 flights/mo avg
Weakest calendar month
July
70.6% on-time · ~76 flights/mo
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.
BUF on-time profileBOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
BOS on-time profileCompare the two airports
See BUF and BOS side by side on delays, cancellations, and reliability.
Compare BUF vs BOSOrigin-hub reliability standing
Mid-pack among BUF departures
From BUF, this corridor sits with 12 other 75–85% on-time routes out of 19 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Boston · fleet on-time rank #2300 of 4927.
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.
On the multi-year calendar, BUF–BOS peaks in March at 90.0% on-time ; the softest month is July at 70.6%, a 19.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BUF to BOS rank among US routes by traffic? ▼
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? ▼
Airports on this route
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.
Using BUF–BOS data
BUF–BOS runs 3.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare BUF and BOS airport profiles: delay causes and top routes differ even on the same corridor. BUF airport
- If your dates flex, March (90.0% on-time) beats July (70.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.