Route
ORD → GRR
Chicago O'Hare International Airport Gerald R. Ford International Airport
How punctual is this route?
- On-time arrivals
- 69.5%
- Less than 15 minutes late
- Cancelled
- 3.1%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,077
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 19%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.5% | 309 |
| October 2025 | 75.4% | 360 |
| November 2025 | 71.0% | 358 |
| December 2025 | 55.0% | 318 |
| January 2026 | 62.5% | 283 |
| February 2026 | 66.7% | 288 |
| March 2026 | 63.0% | 335 |
| April 2026 | 70.1% | 443 |
| May 2026 | 78.3% | 418 |
| June 2026 | 74.3% | 279 |
| July 2026 | 70.1% | 324 |
| August 2026 | 63.7% | 362 |
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 |
|---|---|---|---|---|
| United Airlines | 1,084 | 66.2% | 1.0% | 81 min |
| Envoy Air | 967 | 75.2% | 3.9% | 68 min |
| SkyWest Airlines | 881 | 71.8% | 4.1% | 91 min |
| Republic Airways | 665 | 71.7% | 3.5% | 72 min |
| American Airlines | 478 | 58.7% | 3.8% | 90 min |
| OH | 2 | 0.0% | 0.0% | 640 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1819
35% late · 201 flights
-
AA1748
44% late · 127 flights
-
UA1531
53% late · 107 flights
-
MQ3793
34% late · 106 flights
-
OO6391
15% late · 103 flights
-
UA1297
17% late · 103 flights
-
MQ4117
21% late · 76 flights
-
YX4729
42% late · 76 flights
-
MQ3553
12% late · 73 flights
-
OO5250
42% late · 66 flights
-
UA2244
21% late · 59 flights
-
UA2622
24% late · 58 flights
-
YX3665
5% late · 55 flights
-
MQ3409
15% late · 54 flights
-
YX3459
34% late · 53 flights
-
UA1897
39% late · 52 flights
-
OO5873
40% late · 51 flights
-
UA1041
16% late · 50 flights
-
MQ3875
34% late · 49 flights
-
AA2627
44% late · 46 flights
-
UA2223
42% late · 46 flights
-
YX3713
35% late · 45 flights
-
MQ3618
23% late · 44 flights
-
MQ3623
17% late · 44 flights
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