Route
ORD → DLH
Chicago O'Hare International Airport Duluth International Airport
How punctual is this route?
- On-time arrivals
- 65.3%
- Less than 15 minutes late
- Cancelled
- 4.5%
- Of scheduled flights
- Average delay when late
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,238
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 33%
- Air traffic control & airport 17%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 68.4% | 119 |
| October 2025 | 73.7% | 114 |
| November 2025 | 57.6% | 89 |
| December 2025 | 41.4% | 63 |
| January 2026 | 50.8% | 62 |
| February 2026 | 64.3% | 73 |
| March 2026 | 55.7% | 110 |
| April 2026 | 65.3% | 137 |
| May 2026 | 68.4% | 134 |
| June 2026 | 73.6% | 95 |
| July 2026 | 71.8% | 120 |
| August 2026 | 71.3% | 122 |
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 | 1,114 | 64.0% | 4.5% | 82 min |
| Republic Airways | 124 | 76.7% | 4.8% | 92 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5819
29% late · 290 flights
-
OO5437
36% late · 277 flights
-
OO5275
44% late · 235 flights
-
OO5957
36% late · 71 flights
-
OO5442
42% late · 55 flights
-
OO5672
21% late · 51 flights
-
OO5851
29% late · 35 flights
-
YX3499
10% late · 32 flights
-
YX3514
31% late · 32 flights
-
OO5974
71% late · 29 flights
-
OO5293
43% late · 21 flights
-
OO5524
26% late · 21 flights
-
YX3700
14% late · 21 flights
-
YX3702
37% late · 20 flights
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