Oklahoma City (OKC) to Houston (HOU): On-Time Performance
Data through May 2026
Oklahoma City (OKC) to Houston (HOU) effectively runs on two schedules. In January 2026, 96% of arrivals were on time; in June 2025 that fell to 67% — a 29-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 3.5
- last 12 months
- Duration
- 1h 28m
- scheduled
- Distance
- 419 mi
Monthly on-time trend
Best time to fly from OKC to HOU
Aim for departures around 8 a.m. (95% on-time); avoid 5 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 11 min |
| Tuesday | 84% | 11 min |
| Wednesdaybest | 84% | 11 min |
| Thursday | 83% | 10 min |
| Friday | 82% | 11 min |
| Saturday | 82% | 9 min |
| Sunday | 79% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft54%
- Airline operations13%
- National airspace system28%
- Weather5%
Frequently asked questions
- How often are flights from OKC to HOU delayed?
- 18% of OKC–HOU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from OKC to HOU?
- Departures around 8 a.m. have the best record (95% on-time), while departures around 5 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OKC to HOU?
- The scheduled OKC–HOU flight time averages 1h 28m over 419 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are OKC to HOU flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from OKC to HOU?
- June 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was January 2026 at 96%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 2,569 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.