Route
SUN → ORD
Friedman Memorial Airport Chicago O'Hare International Airport
1,341 miles
Return route ORD → SUN →
How punctual is this route?
- On-time arrivals
- 59.4%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 293
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 30%
- Late-arriving aircraft 25%
- Extreme weather 24%
- Air traffic control & airport 22%
- 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 | 66.7% | 6 |
| December 2025 | 36.0% | 28 |
| January 2026 | 63.8% | 62 |
| February 2026 | 52.7% | 56 |
| March 2026 | 51.7% | 62 |
| April 2026 | 50.0% | 11 |
| June 2026 | 100.0% | 11 |
| July 2026 | 75.9% | 31 |
| August 2026 | 70.8% | 26 |
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 | 293 | 59.4% | 4.8% | 94 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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