Route
ORD → BHM
Chicago O'Hare International Airport Birmingham-Shuttlesworth International Airport
How punctual is this route?
- On-time arrivals
- 75.7%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,112
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Air traffic control & airport 25%
- Extreme weather 17%
- Airline (crew, maintenance, cleaning) 14%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.9% | 121 |
| October 2025 | 75.4% | 114 |
| November 2025 | 80.0% | 84 |
| December 2025 | 64.4% | 73 |
| January 2026 | 70.3% | 75 |
| February 2026 | 74.4% | 125 |
| March 2026 | 76.3% | 101 |
| April 2026 | 73.0% | 91 |
| May 2026 | 85.9% | 102 |
| June 2026 | 72.4% | 60 |
| July 2026 | 72.9% | 62 |
| August 2026 | 63.3% | 104 |
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 | 710 | 78.0% | 1.8% | 68 min |
| Republic Airways | 239 | 79.0% | 2.5% | 65 min |
| SkyWest Airlines | 161 | 60.0% | 3.7% | 84 min |
| OH | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ3757
31% late · 76 flights
-
MQ4216
17% late · 63 flights
-
MQ4308
21% late · 58 flights
-
MQ3833
19% late · 48 flights
-
MQ3971
13% late · 48 flights
-
MQ3619
22% late · 46 flights
-
MQ3465
9% late · 44 flights
-
MQ3928
21% late · 44 flights
-
OO6435
34% late · 44 flights
-
MQ4114
29% late · 40 flights
-
MQ3515
19% late · 31 flights
-
MQ3472
30% late · 30 flights
-
MQ3483
32% late · 30 flights
-
YX4709
33% late · 29 flights
-
MQ3739
25% late · 28 flights
-
MQ3633
7% late · 27 flights
-
OO4893
50% late · 27 flights
-
OO6208
38% late · 27 flights
-
MQ3643
31% late · 26 flights
-
YX4469
0% late · 26 flights
-
OO5646
52% late · 25 flights
-
MQ3508
22% late · 24 flights
-
MQ3637
33% late · 24 flights
-
YX3607
5% late · 22 flights
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