ROC to BWI flight delays & on-time performance
Nonstop flights from Frederick Douglass Greater Rochester International Airport to Baltimore/Washington International Thurgood Marshall Airport · 277 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ROC or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Rochester (ROC) to Baltimore (BWI) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (96% on time); around 5pm did worst (74%).
- Friday was the most reliable day to fly (84% on time) and Thursday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (40%).
Which airline is most on time from ROC to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 83% | 1.2% | 12 min | 4.7% | 1,105 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am89%119 flights
- 6am96%246 flights
- 11am88%16 flights
- 12pm77%304 flights
- 1pm79%43 flights
- 3pm82%94 flights
- 4pm78%124 flights
- 5pm74%125 flights
- 6pm60%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%2.6% cancelled
- Tuesday82%1.3% cancelled
- Wednesday84%0.6% cancelled
- Thursday79%0.0% cancelled
- Friday84%0.0% cancelled
- Saturday84%0.6% cancelled
- Sunday82%3.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)40%
- Late-arriving aircraft39%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather62%
- Air traffic control & airport congestion38%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ROC to BWI: common questions
- How often are ROC to BWI flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Rochester to Baltimore cancelled?
- 1.2% of scheduled flights were cancelled (13 of 1,105).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 64 min behind schedule on average, and 4.7% of flights were an hour or more late.
- How long is taxi time at ROC?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to ROC — 76% on time
More flights from Rochester
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ROC → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.