Route · ROC → BWI · 2020–2025 BTS data
Rochester to Baltimore
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ROC to BWI (Rochester to Baltimore) ranks #1958 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86%
- On-time
- +7 pts
- vs US avg
- 64 min
- Delay when late
- 6,398
- Flights
- #1958 of 4927
- Corpus placement
Cancelled
0.8%
Best Month
Oct 2024 95%
Worst Month
Dec 2025 69%
Distance
277 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 95 | 29 | 2 | 0 | WN |
| Nov 2025 | 91 | 13 | 3 | 0 | WN |
| Oct 2025 | 93 | 18 | 0 | 0 | WN |
| Sep 2025 | 90 | 8 | 0 | 0 | WN |
| Aug 2025 | 93 | 12 | 0 | 0 | WN |
| Jul 2025 | 92 | 21 | 3 | 0 | WN |
| Jun 2025 | 90 | 15 | 1 | 0 | WN |
| May 2025 | 93 | 16 | 0 | 0 | WN |
| Apr 2025 | 91 | 16 | 0 | 0 | WN |
| Mar 2025 | 93 | 12 | 2 | 0 | WN |
| Feb 2025 | 86 | 20 | 0 | 0 | WN |
| Jan 2025 | 93 | 18 | 2 | 0 | WN |
| Dec 2024 | 93 | 25 | 0 | 0 | WN |
| Nov 2024 | 90 | 5 | 0 | 0 | WN |
| Oct 2024 | 101 | 5 | 1 | 0 | WN |
| Sep 2024 | 94 | 6 | 0 | 0 | WN |
| Aug 2024 | 96 | 28 | 1 | 0 | WN |
| Jul 2024 | 92 | 19 | 0 | 0 | WN |
| Jun 2024 | 89 | 16 | 0 | 0 | WN |
| May 2024 | 89 | 16 | 0 | 0 | WN |
| Apr 2024 | 87 | 19 | 0 | 0 | WN |
| Mar 2024 | 93 | 8 | 0 | 0 | WN |
| Feb 2024 | 88 | 8 | 0 | 0 | WN |
| Jan 2024 | 98 | 16 | 2 | 1 | WN |
ROC–BWI seasonal on-time pattern
Best: November (91.9%) · weakest: July (81.6%)
Strongest calendar month
November
91.9% on-time · ~90 flights/mo
Busiest calendar month
August
~103 flights/mo avg
Weakest calendar month
July
81.6% on-time · ~94 flights/mo
Cancellation Rate
0.8%
17 of 2,210 flights
Diversion Rate
0.0%
1 of 2,210 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 profileBWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
BWI on-time profileCompare the two airports
See ROC and BWI side by side on delays, cancellations, and reliability.
Compare ROC vs BWIOrigin-hub reliability standing
Among ROC's stronger departures
ROC → BWI posts a 86% 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 #916 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ROC–BWI.
Routes with a similar on-time rate
What the Data Says About ROC to BWI
Rochester to Baltimore (ROC to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86% on-time rate across 6,398 flights, with delays that do happen averaging 64.2 minutes. The corridor runs roughly 277 miles and is served by 1 carrier. Over the most recent 24 months, 17 of 2,210 flights were cancelled (0.8%) and 1 diverted (0.0%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 69% - a 26-point swing worth factoring into travel timing.
On the multi-year calendar, ROC–BWI peaks in November at 91.9% on-time while August carries the heaviest traffic (~103 flights per month) ; the softest month is July at 81.6%, a 10.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ROC to BWI rank among US routes by traffic? ▼
How often are flights delayed from ROC to BWI? ▼
What is the cancellation rate for ROC to BWI? ▼
How far is the flight from ROC to BWI? ▼
When is the best time to fly from ROC to BWI? ▼
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 ROC–BWI data
ROC–BWI runs 7 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 BWI airport profiles: delay causes and top routes differ even on the same corridor. ROC airport
- If your dates flex, November (91.9% on-time) beats July (81.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 86% 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.