Best Time to Fly IAH to TUL: On-Time Stats by Hour & Airline
George Bush Intercontinental/Houston → Tulsa International
Data through July 2026 · Last updated October 18, 2026
1,087 flights were scheduled from Houston (IAH) to Tulsa (TUL) in the last 12 months, and 82.3% of those that flew arrived on time, 4.6 points above the US average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 84.0% on time and United Airlines was last with 77.8%.
Over 24 months, Wednesday was the most reliable day (84% on time) and June the worst month (69%).
The cancellation rate was 0.4% (US average 1.8%).
IAH to TUL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 84.0% | 66 min | 0.3% | 778 |
| United Airlines | 77.8% | 58 min | 0.7% | 309 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAH to TUL
On-time arrival % by scheduled departure hour (local time), 1,740 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 85.0% | 0.2% | 427 |
| 9am–10am | 80.8% | 2.1% | 48 |
| 11am–12pm | 83.8% | 0.0% | 105 |
| 12pm–1pm | 78.9% | 0.0% | 376 |
| 2pm–3pm | 83.0% | 0.0% | 141 |
| 4pm–5pm | Limited data | 24 | |
| 6pm–7pm | 67.7% | 0.0% | 65 |
| 7pm–8pm | 67.8% | 2.5% | 121 |
| 8pm–9pm | 76.6% | 1.6% | 304 |
| 9pm–10pm | 77.8% | 0.0% | 46 |
| 10pm–11pm | 84.2% | 1.2% | 83 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAH to TUL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 66.7% | -14.2 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +9.1 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 74.9% | -6.0 pts | 1.5% | 337 |
| All other days | 80.9% | — | 0.5% | 1,337 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).