Chicago (MDW) to Oklahoma City (OKC): On-Time Performance
Data through July 2026
Chicago (MDW) to Oklahoma City (OKC) effectively runs on two schedules. In February 2026, 96% of arrivals were on time; in July 2024 that fell to 48% — a 48-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 61%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.5
- last 12 months
- Duration
- 2h 7m
- scheduled
- Distance
- 691 mi
Monthly on-time trend
Best time to fly from MDW to OKC
Aim for departures around 7 a.m. (95% on-time); avoid 9 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 16 min |
| Tuesday | 76% | 15 min |
| Wednesday | 80% | 10 min |
| Thursday | 71% | 19 min |
| Friday | 71% | 18 min |
| Saturdaybest | 82% | 13 min |
| Sunday | 71% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations26%
- National airspace system9%
- Weather2%
Frequently asked questions
- How often are flights from MDW to OKC delayed?
- 26% of MDW–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 16 minutes.
- What is the best time of day to fly from MDW to OKC?
- Departures around 7 a.m. have the best record (95% on-time), while departures around 9 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to OKC?
- The scheduled MDW–OKC flight time averages 2h 7m over 691 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are MDW to OKC flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MDW to OKC?
- July 2024 was the roughest month in this dataset, with only 48% of arrivals on time. The best was February 2026 at 96%. If your dates are flexible, that 48-point gap is worth planning around.
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Based on 1,124 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.