Route · TUL → IAH · 2020–2025 BTS data
Tulsa to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TUL to IAH (Tulsa to Houston) ranks #2398 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 87.5%
- On-time
- +8.5 pts
- vs US avg
- 93 min
- Delay when late
- 5,222
- Flights
- #2398 of 4927
- Corpus placement
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 |
TUL–IAH seasonal on-time pattern
Best: September (91.7%) · weakest: July (84.5%)
Strongest calendar month
September
91.7% on-time · ~80 flights/mo
Busiest calendar month
October
~88 flights/mo avg
Weakest calendar month
July
84.5% on-time · ~77 flights/mo
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.
TUL on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See TUL and IAH side by side on delays, cancellations, and reliability.
Compare TUL vs IAHOrigin-hub reliability standing
Among TUL's stronger departures
TUL → IAH posts a 87.5% on-time rate, landing in the ≥85% band with 10 of 17 BTS-tracked routes leaving Tulsa. The same hub also shows 7 mid-band and 0 challenged departures · fleet-wide on-time rank #525 of 4927 (highest on-time = #1).
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.
On the multi-year calendar, TUL–IAH peaks in September at 91.7% on-time while October carries the heaviest traffic (~88 flights per month) ; the softest month is July at 84.5%, a 7.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does TUL to IAH rank among US routes by traffic? ▼
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? ▼
Airports on this route
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.
Using TUL–IAH data
TUL–IAH runs 8.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare TUL and IAH airport profiles: delay causes and top routes differ even on the same corridor. TUL airport
- If your dates flex, September (91.7% on-time) beats July (84.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 87.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.