Route · TUL → IAH · 2020–2025 BTS data
Tulsa to Houston
The TUL–IAH corridor (Tulsa, OK → Houston, TX) runs ahead of the national average, served by 18 carriers across roughly 429 miles.
Data updated 2026-06-13
- 87.5%
- On-time
- +8.5 pts
- vs US avg
- 93 min
- Delay when late
- 5,222
- Flights
Cancelled
1.2%
Best Month
Sep 2025 91%
Worst Month
Jun 2025 77%
Distance
429 mi
Carriers
18
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 92 | 16 | 1 | 0 | UA,OO |
| Nov 2025 | 143 | 24 | 0 | 0 | OO,UA |
| Oct 2025 | 131 | 16 | 0 | 0 | OO,UA |
| Sep 2025 | 120 | 11 | 1 | 0 | UA,OO |
| Aug 2025 | 115 | 15 | 1 | 0 | OO,UA |
| Jul 2025 | 106 | 17 | 1 | 1 | OO,UA |
| Jun 2025 | 108 | 25 | 5 | 3 | OO,UA |
| May 2025 | 91 | 14 | 3 | 0 | OO,UA |
| Apr 2025 | 55 | 11 | 1 | 0 | OO,UA |
| Mar 2025 | 68 | 13 | 1 | 0 | OO,UA |
| Feb 2025 | 58 | 11 | 1 | 0 | OO,UA |
| Oct 2024 | 57 | 7 | 0 | 0 | UA,OO |
| Sep 2024 | 34 | 1 | 0 | 0 | OO,UA |
| May 2024 | 56 | 12 | 4 | 0 | OO,UA |
| Apr 2024 | 64 | 10 | 0 | 0 | OO |
| Mar 2024 | 31 | 6 | 0 | 0 | OO |
| Feb 2024 | 36 | 0 | 0 | 0 | OO |
| Jan 2024 | 32 | 8 | 2 | 0 | OO |
| Dec 2023 | 37 | 5 | 0 | 0 | OO,UA |
| Nov 2023 | 31 | 3 | 0 | 0 | OO,UA |
| Oct 2023 | 86 | 13 | 0 | 0 | OO,UA |
| Sep 2023 | 85 | 9 | 0 | 0 | OO,UA |
| Aug 2023 | 62 | 8 | 0 | 0 | OO,UA |
| Jul 2023 | 57 | 10 | 0 | 0 | OO,UA |
Cancellation Rate
1.2%
21 of 1,755 flights
Diversion Rate
0.2%
4 of 1,755 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TUL - Tulsa
Full on-time, delay-cause, and seasonal performance for Tulsa, OK.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See TUL and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to TUL–IAH.
Routes with a similar on-time rate
What the Data Says About TUL to IAH
Tulsa to Houston (TUL to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.5% on-time rate across 5,222 flights, with delays that do happen averaging 92.5 minutes. The corridor runs roughly 429 miles and is served by 18 carriers. Over the most recent 24 months, 21 of 1,755 flights were cancelled (1.2%) and 4 diverted (0.2%).
Monthly performance varies moderately here: Sep 2025 was the strongest month at 91% on-time versus Jun 2025 at 77%, a 14-point difference.
Frequently Asked Questions
How often are flights delayed from TUL to IAH? ▼
What is the cancellation rate for TUL to IAH? ▼
How far is the flight from TUL to IAH? ▼
When is the best time to fly from TUL to IAH? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.