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Route · IND → IAH · 2020–2025 BTS data

Indianapolis to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IND to IAH (Indianapolis to Houston) ranks #2441 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.2%
On-time
+4.2 pts
vs US avg
76 min
Delay when late
5,099
Flights
#2441 of 4927
Corpus placement

Cancelled

2.2%

Best Month

Sep 2025 93%

Worst Month

Jul 2024 59%

Distance

844 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 62 13 0 0 UA
Nov 2025 60 12 0 0 UA
Oct 2025 63 9 0 0 UA
Sep 2025 60 4 0 0 UA
Aug 2025 62 11 1 0 UA
Jul 2025 61 14 2 0 UA
Jun 2025 81 26 1 1 UA
May 2025 69 12 1 1 UA
Apr 2025 60 9 0 0 UA
Mar 2025 56 7 0 0 UA
Feb 2025 55 13 0 0 OO,UA
Jan 2025 62 17 5 0 UA
Dec 2024 71 12 2 0 OO,UA
Nov 2024 59 8 0 0 UA
Oct 2024 91 11 0 0 UA,OO
Sep 2024 82 14 0 0 OO,UA
Aug 2024 80 9 2 1 OO,UA
Jul 2024 69 28 3 0 OO,UA
Jun 2024 79 13 2 0 UA
May 2024 114 29 9 2 OO,UA
Apr 2024 60 13 1 0 UA
Mar 2024 58 12 1 0 UA
Feb 2024 56 7 0 0 UA
Jan 2024 57 13 5 0 UA

IND–IAH seasonal on-time pattern

Best: September (88.7%) · weakest: June (74.7%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 83.9%

Strongest calendar month

September

88.7% on-time · ~72 flights/mo

Busiest calendar month

May

~83 flights/mo avg

Weakest calendar month

June

74.7% on-time · ~74 flights/mo

Cancellation Rate

2.2%

35 of 1,627 flights

Diversion Rate

0.3%

5 of 1,627 flights

Origin-hub reliability standing

Mid-pack among IND departures

From IND, this corridor sits with 20 other 75–85% on-time routes out of 32 tracked departures, not the hub's reliability leaders (12 at ≥85%) and not the softest ( 0 below 75%). Destination: Houston · fleet on-time rank #1874 of 4927.

What the Data Says About IND to IAH

Bureau of Transportation Statistics records show Indianapolis to Houston (IND to IAH) running a 83.2% on-time rate over 5,099 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 75.6 minutes. The 844-mile corridor is served by 16 carriers, and over the last 24 months 2.2% of 1,627 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 59% - a 34-point swing worth factoring into travel timing.

On the multi-year calendar, IND–IAH peaks in September at 88.7% on-time while May carries the heaviest traffic (~83 flights per month) ; the softest month is June at 74.7%, a 14.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IND to IAH rank among US routes by traffic?
According to PlainFlights' route traffic ranking, IND to IAH ranks #2441 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 IND to IAH?
Flights from Indianapolis to Houston have a 83.2% on-time rate based on 5,099 flights. The average delay is 75.6 minutes. The best recent month was Sep 2025 with 93% on-time.
What is the cancellation rate for IND to IAH?
Over the last 24 months, 2.2% of flights on this route were cancelled (35 of 1,627 flights) and 0.3% were diverted.
How far is the flight from IND to IAH?
The flight distance from Indianapolis (IND) to Houston (IAH) is approximately 844 miles. This route is served by 16 carriers.
When is the best time to fly from IND to IAH?
The best recent month for on-time performance was Sep 2025 (93% on-time). The worst was Jul 2024 (59% on-time). Consider booking during months with historically better performance.

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.

Using IND–IAH data

IND–IAH runs 4.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IND and IAH airport profiles: delay causes and top routes differ even on the same corridor. IND airport
  • If your dates flex, September (88.7% on-time) beats June (74.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.2% 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.