Route
ROC → BWI
Frederick Douglass Greater Rochester International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,102
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 18%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.1% | 90 |
| October 2025 | 80.6% | 93 |
| November 2025 | 85.2% | 91 |
| December 2025 | 68.8% | 95 |
| January 2026 | 83.5% | 94 |
| February 2026 | 72.4% | 90 |
| March 2026 | 80.2% | 93 |
| April 2026 | 94.4% | 90 |
| May 2026 | 87.1% | 93 |
| June 2026 | 82.0% | 90 |
| July 2026 | 79.1% | 93 |
| August 2026 | 83.1% | 90 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,102 | 82.3% | 1.3% | 70 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1845
15% late · 64 flights
-
WN3458
22% late · 60 flights
-
WN4680
3% late · 60 flights
-
WN1682
35% late · 59 flights
-
WN1711
14% late · 58 flights
-
WN3337
11% late · 58 flights
-
WN3338
30% late · 58 flights
-
WN3339
24% late · 58 flights
-
WN4028
0% late · 58 flights
-
WN4029
21% late · 57 flights
-
WN1745
22% late · 46 flights
-
WN4354
31% late · 36 flights
-
WN1551
12% late · 33 flights
-
WN1799
9% late · 33 flights
-
WN2392
31% late · 33 flights
-
WN1432
19% late · 31 flights
-
WN2102
10% late · 31 flights
-
WN4168
0% late · 31 flights
-
WN4545
6% late · 31 flights
-
WN2877
39% late · 24 flights
-
WN2809
5% late · 20 flights
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