BWI to ROC flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Frederick Douglass Greater Rochester International Airport · 277 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or ROC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Rochester (ROC) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% 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 1pm did best (87% on time); around 10pm did worst (54%).
- Wednesday was the most reliable day to fly (80% on time) and Thursday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from BWI to ROC?
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 | 76% | 1.4% | 13 min | 5.2% | 1,105 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am84%280 flights
- 11am85%85 flights
- 1pm87%63 flights
- 2pm82%61 flights
- 3pm77%130 flights
- 4pm84%88 flights
- 5pm52%30 flights
- 8pm67%87 flights
- 9pm71%132 flights
- 10pm54%144 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%1.3% cancelled
- Tuesday76%3.2% cancelled
- Wednesday80%0.0% cancelled
- Thursday68%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday77%0.6% cancelled
- Sunday70%4.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion11%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion7%
- Security0%
BWI to ROC: common questions
- How often are BWI to ROC flights on time?
- 76% 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 Baltimore to Rochester cancelled?
- 1.4% of scheduled flights were cancelled (15 of 1,105).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 48 min behind schedule on average, and 5.2% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ROC to BWI — 83% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → ROC, nonstop flights by US airlines that report to the DOT. How we calculate this.