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Route · TPA → IAH · 2020–2025 BTS data

Tampa to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TPA to IAH (Tampa to Houston) ranks #1295 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.7%
On-time
+4.7 pts
vs US avg
82 min
Delay when late
9,216
Flights
#1295 of 4927
Corpus placement

Cancelled

2.3%

Best Month

Sep 2025 95%

Worst Month

May 2024 67%

Distance

787 mi

Carriers

15

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 150 24 2 0 F9,NK,UA
Nov 2025 151 17 4 0 UA,F9,NK
Oct 2025 124 23 0 0 UA,F9,NK
Sep 2025 135 7 0 0 UA,NK,F9
Aug 2025 149 34 0 0 F9,NK,UA
Jul 2025 177 39 0 0 NK,UA,F9
Jun 2025 174 48 4 1 UA,F9,NK
May 2025 173 37 1 1 UA,F9,NK
Apr 2025 142 16 0 0 F9,NK,UA
Mar 2025 167 30 4 0 UA,NK,F9
Feb 2025 128 12 0 2 UA,NK
Jan 2025 145 19 4 0 UA,NK
Dec 2024 148 21 1 2 NK,UA
Nov 2024 146 11 0 0 UA,NK
Oct 2024 155 17 15 0 UA,NK
Sep 2024 149 14 7 0 UA,NK
Aug 2024 154 34 5 1 NK,UA
Jul 2024 153 47 13 0 NK,UA
Jun 2024 149 33 0 1 NK,UA
May 2024 165 55 6 2 NK,UA
Apr 2024 176 35 1 1 NK,UA
Mar 2024 171 55 5 1 NK,UA
Feb 2024 142 18 1 0 NK,UA
Jan 2024 148 31 10 0 NK,UA

TPA–IAH seasonal on-time pattern

Best: September (90.7%) · weakest: June (74.8%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 83.5%

Strongest calendar month

September

90.7% on-time · ~106 flights/mo

Busiest calendar month

March

~169 flights/mo avg

Weakest calendar month

June

74.8% on-time · ~105 flights/mo

Cancellation Rate

2.3%

83 of 3,671 flights

Diversion Rate

0.3%

12 of 3,671 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

TPA - Tampa

Full on-time, delay-cause, and seasonal performance for Tampa, FL.

TPA on-time profile

IAH - Houston

Full on-time, delay-cause, and seasonal performance for Houston, TX.

IAH on-time profile

Compare the two airports

See TPA and IAH side by side on delays, cancellations, and reliability.

Compare TPA vs IAH

Origin-hub reliability standing

Mid-pack among TPA departures

From TPA, this corridor sits with 46 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 2 below 75%). Destination: Houston · fleet on-time rank #1707 of 4927.

What the Data Says About TPA to IAH

Bureau of Transportation Statistics records show Tampa to Houston (TPA to IAH) running a 83.7% on-time rate over 9,216 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 81.9 minutes. The 787-mile corridor is served by 15 carriers, and over the last 24 months 2.3% of 3,671 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while May 2024 came in at just 67% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, TPA–IAH peaks in September at 90.7% on-time while March carries the heaviest traffic (~169 flights per month) ; the softest month is June at 74.8%, a 15.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does TPA to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, TPA to IAH ranks #1295 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from TPA to IAH? ▼
Flights from Tampa to Houston have a 83.7% on-time rate based on 9,216 flights. The average delay is 81.9 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for TPA to IAH? ▼
Over the last 24 months, 2.3% of flights on this route were cancelled (83 of 3,671 flights) and 0.3% were diverted.
How far is the flight from TPA to IAH? ▼
The flight distance from Tampa (TPA) to Houston (IAH) is approximately 787 miles. This route is served by 15 carriers.
When is the best time to fly from TPA to IAH? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was May 2024 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

TPA Airport

Tampa
IAH Airport

Houston
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 TPA–IAH data

TPA–IAH runs 4.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare TPA and IAH airport profiles: delay causes and top routes differ even on the same corridor. TPA airport
  • If your dates flex, September (90.7% on-time) beats June (74.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.7% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.