Chicago, IL
CChicago, IL, IL — ORD
On-Time Rate
77.1%
2019-2025
Avg Delay
16.0 min
when delayed
Cancel Rate
2.4%
flights cancelled
Total Flights
1,845,007
2019-2025
Best Month
Sep
82.4% on-time
Worst Month
Jul
70.6% on-time
Best Departure Time
3:00
100.0% on-time
12-Month On-Time Trend
Delay Causes
Best Time to Fly (By Hour)
Seasonal Pattern
Airlines at ORD
| Airline | Flights | On-Time | Avg Delay |
|---|---|---|---|
| United Airlines | 489,171 | 78.9% | 0.0 min |
| SkyWest Airlines | 362,982 | 75.6% | 0.0 min |
| American Airlines | 342,243 | 74.0% | 0.0 min |
| Envoy Air | 284,071 | 78.7% | 0.0 min |
| Republic Airways | 136,688 | 82.7% | 0.0 min |
| Delta Air Lines | 69,124 | 80.0% | 0.0 min |
| Spirit Airlines | 51,598 | 75.1% | 0.0 min |
| Southwest Airlines | 37,231 | 71.6% | 0.0 min |
| Alaska Airlines | 19,679 | 76.7% | 0.0 min |
| EV | 17,853 | 70.0% | 0.0 min |
Most Delayed Routes
| Destination | On-Time |
|---|---|
| ORD → MEIMeridian, MS | 62.1% |
| ORD → MGWMorgantown, WV | 65.1% |
| ORD → ASEAspen, CO | 66.5% |
| ORD → ONTOntario, CA | 67.2% |
| ORD → OAKOakland, CA | 68.1% |
Most Punctual Routes
| Destination | On-Time |
|---|---|
| ORD → STTCharlotte Amalie, VI | 84.1% |
| ORD → KOAKona, HI | 84.1% |
| ORD → HNLHonolulu, HI | 84.0% |
| ORD → MSOMissoula, MT | 83.2% |
| ORD → TTNTrenton, NJ | 83.0% |
Was your flight from Chicago, IL delayed?
You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.
Check CompensationData source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.