Chicago (ORD) to Oklahoma City (OKC): On-Time Performance
Data through July 2026
The calendar drives reliability on ORD–OKC. September 2024 flights landed on schedule 86% of the time, but December 2025 dropped to 58% — a gap of 28 points. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (79% vs 66%), which matters most in the rough months.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 7.2
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 693 mi
Best airline from ORD to OKC
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 85% | 12 min | 1.6% | 558 |
| Envoy Air | 78% | 14 min | 0.8% | 613 |
| SkyWest Airlines | 70% | 25 min | 2.2% | 3,898 |
Monthly on-time trend
Best time to fly from ORD to OKC
Aim for departures around 7 a.m. (83% on-time); avoid 9 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 76% | 19 min |
| Tuesday | 74% | 18 min |
| Wednesday | 73% | 24 min |
| Thursday | 74% | 19 min |
| Friday | 69% | 24 min |
| Saturday | 75% | 21 min |
| Sunday | 67% | 30 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations37%
- National airspace system18%
- Weather18%
Frequently asked questions
- How often are flights from ORD to OKC delayed?
- 28% of ORD–OKC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from ORD to OKC?
- Republic Airways has the best on-time record on this route at 85%, based on 558 flights. 3 airlines flew ORD–OKC frequently enough to compare in this period.
- What is the best time of day to fly from ORD to OKC?
- Departures around 7 a.m. have the best record (83% on-time), while departures around 9 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to OKC?
- The scheduled ORD–OKC flight time averages 2h 28m over 693 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are ORD to OKC flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to OKC?
- December 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was September 2024 at 86%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 5,073 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.