Route
ORD → ROC
Chicago O'Hare International Airport Frederick Douglass Greater Rochester International Airport
How punctual is this route?
- On-time arrivals
- 73.3%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,348
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 20%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.0% | 201 |
| October 2025 | 76.3% | 178 |
| November 2025 | 77.0% | 225 |
| December 2025 | 65.1% | 193 |
| January 2026 | 67.3% | 159 |
| February 2026 | 65.0% | 160 |
| March 2026 | 73.4% | 158 |
| April 2026 | 72.4% | 222 |
| May 2026 | 82.2% | 222 |
| June 2026 | 73.9% | 210 |
| July 2026 | 74.0% | 217 |
| August 2026 | 67.7% | 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 | 805 | 78.9% | 2.5% | 67 min |
| Republic Airways | 660 | 79.9% | 2.0% | 72 min |
| United Airlines | 583 | 63.1% | 1.2% | 75 min |
| SkyWest Airlines | 300 | 63.5% | 5.3% | 85 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1568
40% late · 312 flights
-
UA1239
31% late · 220 flights
-
MQ4104
19% late · 164 flights
-
YX3507
20% late · 135 flights
-
MQ3765
24% late · 134 flights
-
MQ3582
26% late · 102 flights
-
MQ4219
31% late · 99 flights
-
OO5574
51% late · 88 flights
-
OO5919
19% late · 87 flights
-
YX3629
6% late · 82 flights
-
MQ3775
9% late · 76 flights
-
OO6438
41% late · 76 flights
-
YX4680
36% late · 65 flights
-
YX4434
19% late · 59 flights
-
MQ4325
20% late · 56 flights
-
MQ3823
23% late · 44 flights
-
MQ3873
14% late · 44 flights
-
MQ3820
15% late · 41 flights
-
YX4643
32% late · 40 flights
-
YX4639
34% late · 37 flights
-
YX3425
12% late · 32 flights
-
YX3477
14% late · 31 flights
-
YX3502
10% late · 30 flights
-
OO6243
44% late · 27 flights
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