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Route · ROC → BOS · 2020–2025 BTS data

Rochester to Boston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ROC to BOS (Rochester to Boston) ranks #4889 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.4%
On-time
+8.4 pts
vs US avg
119 min
Delay when late
523
Flights
#4889 of 4927
Corpus placement

Cancelled

3.6%

Best Month

May 2023 95%

Worst Month

Jul 2023 81%

Distance

343 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2023 31 6 0 0 B6
Sep 2023 30 17 2 0 B6
Aug 2023 37 5 0 0 B6,DL
Jul 2023 62 12 3 0 B6,DL
Jun 2023 60 4 1 0 B6,DL,YX
May 2023 58 3 0 0 B6,YX
Apr 2023 30 2 0 0 YX
Mar 2023 31 3 0 0 DL,YX
Jun 2022 30 2 1 0 B6
May 2022 31 1 1 0 B6
Apr 2022 30 2 5 0 B6
Mar 2022 31 4 2 0 B6
Mar 2020 31 2 4 0 B6
Jan 2020 31 3 0 0 B6

ROC–BOS seasonal on-time pattern

Best: May (95.5%) · weakest: September (43.3%)

40%60%80%100% JanMarAprMayJunJulAugSepOct 80.6%

Strongest calendar month

May

95.5% on-time · ~45 flights/mo

Busiest calendar month

July

~62 flights/mo avg

Weakest calendar month

September

43.3% on-time · ~30 flights/mo

Cancellation Rate

3.6%

19 of 523 flights

Diversion Rate

0.0%

0 of 523 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ROC - Rochester

Full on-time, delay-cause, and seasonal performance for Rochester, NY.

ROC on-time profile

BOS - Boston

Full on-time, delay-cause, and seasonal performance for Boston, MA.

BOS on-time profile

Compare the two airports

See ROC and BOS side by side on delays, cancellations, and reliability.

Compare ROC vs BOS

Origin-hub reliability standing

Among ROC's stronger departures

ROC → BOS posts a 87.4% on-time rate, landing in the ≥85% band with 5 of 12 BTS-tracked routes leaving Rochester. The same hub also shows 7 mid-band and 0 challenged departures · fleet-wide on-time rank #547 of 4927 (highest on-time = #1).

What the Data Says About ROC to BOS

Rochester to Boston (ROC to BOS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.4% on-time rate across 523 flights, with delays that do happen averaging 119.0 minutes. The corridor runs roughly 343 miles and is served by 6 carriers. Over the most recent 24 months, 19 of 523 flights were cancelled (3.6%) and 0 diverted (0.0%).

Monthly performance varies moderately here: May 2023 was the strongest month at 95% on-time versus Jul 2023 at 81%, a 14-point difference.

On the multi-year calendar, ROC–BOS peaks in May at 95.5% on-time while July carries the heaviest traffic (~62 flights per month) ; the softest month is September at 43.3%, a 52.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ROC to BOS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ROC to BOS ranks #4889 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ROC to BOS? ▼
Flights from Rochester to Boston have a 87.4% on-time rate based on 523 flights. The average delay is 119.0 minutes. The best recent month was May 2023 with 95% on-time.
What is the cancellation rate for ROC to BOS? ▼
Over the last 24 months, 3.6% of flights on this route were cancelled (19 of 523 flights) and 0.0% were diverted.
How far is the flight from ROC to BOS? ▼
The flight distance from Rochester (ROC) to Boston (BOS) is approximately 343 miles. This route is served by 6 carriers.
When is the best time to fly from ROC to BOS? ▼
The best recent month for on-time performance was May 2023 (95% on-time). The worst was Jul 2023 (81% on-time). Consider booking during months with historically better performance.

Airports on this route

ROC Airport

Rochester
BOS Airport

Boston
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 ROC–BOS data

ROC–BOS runs 8.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ROC and BOS airport profiles: delay causes and top routes differ even on the same corridor. ROC airport
  • If your dates flex, May (95.5% on-time) beats September (43.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.4% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.