Route
ROC → ORD
Frederick Douglass Greater Rochester International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,367
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 36%
- Air traffic control & airport 33%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.5% | 206 |
| October 2025 | 73.0% | 200 |
| November 2025 | 74.5% | 225 |
| December 2025 | 63.3% | 194 |
| January 2026 | 68.2% | 157 |
| February 2026 | 71.7% | 160 |
| March 2026 | 72.3% | 154 |
| April 2026 | 77.7% | 220 |
| May 2026 | 82.2% | 222 |
| June 2026 | 80.1% | 210 |
| July 2026 | 78.3% | 216 |
| August 2026 | 73.1% | 203 |
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 |
|---|---|---|---|---|
| Envoy Air | 804 | 79.5% | 2.2% | 94 min |
| Republic Airways | 676 | 81.9% | 2.4% | 88 min |
| United Airlines | 587 | 66.9% | 1.2% | 95 min |
| SkyWest Airlines | 300 | 63.0% | 5.3% | 126 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2008
26% late · 155 flights
-
UA2059
51% late · 131 flights
-
UA2483
21% late · 107 flights
-
MQ3582
43% late · 106 flights
-
MQ3766
16% late · 94 flights
-
YX4441
13% late · 90 flights
-
MQ4104
18% late · 81 flights
-
YX3494
13% late · 81 flights
-
MQ3775
11% late · 76 flights
-
MQ4247
3% late · 76 flights
-
OO6438
42% late · 76 flights
-
YX3647
21% late · 69 flights
-
YX4680
47% late · 60 flights
-
YX3672
14% late · 58 flights
-
OO5633
67% late · 57 flights
-
UA1612
50% late · 50 flights
-
UA1778
20% late · 47 flights
-
MQ3471
5% late · 44 flights
-
MQ3823
25% late · 44 flights
-
MQ3825
17% late · 41 flights
-
YX3627
18% late · 40 flights
-
UA777
60% late · 36 flights
-
YX3696
18% late · 36 flights
-
YX4638
11% late · 36 flights
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