Route
MLI → ORD
Quad City International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 72.1%
- Less than 15 minutes late
- Cancelled
- 5.1%
- Of scheduled flights
- Average delay when late
- 109 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,302
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 32%
- 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 | 84.1% | 164 |
| October 2025 | 69.5% | 190 |
| November 2025 | 73.5% | 236 |
| December 2025 | 62.0% | 182 |
| January 2026 | 66.1% | 125 |
| February 2026 | 61.9% | 136 |
| March 2026 | 67.4% | 196 |
| April 2026 | 74.1% | 247 |
| May 2026 | 75.6% | 248 |
| June 2026 | 78.8% | 163 |
| July 2026 | 78.6% | 220 |
| August 2026 | 68.1% | 195 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 1,687 | 70.4% | 5.7% | 119 min |
| Envoy Air | 605 | 76.9% | 3.3% | 75 min |
| Republic Airways | 10 | 60.0% | 0.0% | 179 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO4651
28% late · 206 flights
-
OO5449
18% late · 166 flights
-
OO5957
38% late · 151 flights
-
MQ3698
14% late · 76 flights
-
OO5719
43% late · 76 flights
-
MQ3445
11% late · 75 flights
-
OO5598
9% late · 46 flights
-
OO5997
23% late · 46 flights
-
OO6276
17% late · 44 flights
-
OO6340
20% late · 44 flights
-
OO5698
31% late · 42 flights
-
OO5657
26% late · 41 flights
-
MQ3526
39% late · 37 flights
-
MQ3699
36% late · 36 flights
-
OO5241
12% late · 36 flights
-
MQ3472
30% late · 34 flights
-
OO6476
50% late · 34 flights
-
MQ3485
9% late · 33 flights
-
MQ3681
3% late · 33 flights
-
OO4696
36% late · 32 flights
-
OO5218
48% late · 32 flights
-
OO4779
3% late · 31 flights
-
OO4789
39% late · 31 flights
-
MQ3425
7% late · 30 flights
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