Route
DEC → ORD
Decatur Airport Chicago O'Hare International Airport
156 miles
Return route ORD → DEC →
How punctual is this route?
- On-time arrivals
- 66.9%
- Less than 15 minutes late
- Cancelled
- 5.4%
- Of scheduled flights
- Average delay when late
- 104 min
- Flights arriving 15+ minutes late
- Flights tracked
- 627
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 17%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.5% | 51 |
| October 2025 | 61.1% | 54 |
| November 2025 | 63.8% | 50 |
| December 2025 | 62.0% | 55 |
| January 2026 | 60.0% | 53 |
| February 2026 | 79.2% | 48 |
| March 2026 | 68.9% | 53 |
| April 2026 | 72.3% | 52 |
| May 2026 | 63.5% | 53 |
| June 2026 | 59.6% | 51 |
| July 2026 | 64.0% | 54 |
| August 2026 | 72.5% | 53 |
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 | 627 | 66.9% | 5.4% | 104 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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