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Route · IAH → BTR · 2020–2025 BTS data

Houston to Baton Rouge

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to BTR (Houston to Baton Rouge) ranks #3735 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.5%
On-time
+7.5 pts
vs US avg
86 min
Delay when late
2,147
Flights
#3735 of 4927
Corpus placement

Cancelled

2.3%

Best Month

Sep 2020 92%

Worst Month

Jan 2024 72%

Distance

253 mi

Carriers

14

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 35 11 0 0 OO
Nov 2025 129 24 0 0 OO
Oct 2025 56 7 0 0 OO
Jul 2025 31 7 0 0 OO
Feb 2025 31 5 0 0 OO
Jan 2025 60 14 6 0 OO,UA
Nov 2024 31 5 0 0 OO
Feb 2024 58 9 1 0 OO
Jan 2024 54 15 3 0 OO,UA
Dec 2023 48 7 0 2 OO
Nov 2023 42 15 0 0 OO
Aug 2023 54 8 0 0 OO
Jul 2023 31 6 0 1 OO
Dec 2022 49 13 0 0 YV,OO
Oct 2022 39 4 0 0 UA,OO,YV
Sep 2022 74 13 1 0 YV
Aug 2022 31 10 3 0 YV
May 2022 53 5 2 1 OO,YV
Oct 2021 46 11 1 0 OO,UA,YV
Sep 2021 38 9 1 0 UA,YV
Aug 2021 38 8 9 0 YV
Nov 2020 32 1 1 0 YV
Oct 2020 93 8 1 0 OO
Sep 2020 83 7 0 0 YV,EV,OO

IAH–BTR seasonal on-time pattern

Best: June (97.9%) · weakest: December (76.5%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 76.5%

Strongest calendar month

June

97.9% on-time · ~48 flights/mo

Busiest calendar month

March

~208 flights/mo avg

Weakest calendar month

December

76.5% on-time · ~44 flights/mo

Cancellation Rate

2.3%

29 of 1,236 flights

Diversion Rate

0.3%

4 of 1,236 flights

Explore origin & destination

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

IAH - Houston

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

IAH on-time profile

BTR - Baton Rouge

Full on-time, delay-cause, and seasonal performance for Baton Rouge, LA.

BTR on-time profile

Compare the two airports

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

Compare IAH vs BTR

Origin-hub reliability standing

Among IAH's stronger departures

IAH → BTR posts a 86.5% on-time rate, landing in the ≥85% band with 17 of 102 BTS-tracked routes leaving Houston. The same hub also shows 79 mid-band and 6 challenged departures · fleet-wide on-time rank #766 of 4927 (highest on-time = #1).

What the Data Says About IAH to BTR

Houston to Baton Rouge (IAH to BTR) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.5% on-time rate across 2,147 flights, with delays that do happen averaging 86.3 minutes. The corridor runs roughly 253 miles and is served by 14 carriers. Over the most recent 24 months, 29 of 1,236 flights were cancelled (2.3%) and 4 diverted (0.3%).

The monthly split is wide on this route: Sep 2020 posted the strongest performance at 92% on-time, while Jan 2024 came in at just 72% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, IAH–BTR peaks in June at 97.9% on-time while March carries the heaviest traffic (~208 flights per month) ; the softest month is December at 76.5%, a 21.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAH to BTR rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAH to BTR ranks #3735 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 IAH to BTR? ▼
Flights from Houston to Baton Rouge have a 86.5% on-time rate based on 2,147 flights. The average delay is 86.3 minutes. The best recent month was Sep 2020 with 92% on-time.
What is the cancellation rate for IAH to BTR? ▼
Over the last 24 months, 2.3% of flights on this route were cancelled (29 of 1,236 flights) and 0.3% were diverted.
How far is the flight from IAH to BTR? ▼
The flight distance from Houston (IAH) to Baton Rouge (BTR) is approximately 253 miles. This route is served by 14 carriers.
When is the best time to fly from IAH to BTR? ▼
The best recent month for on-time performance was Sep 2020 (92% on-time). The worst was Jan 2024 (72% on-time). Consider booking during months with historically better performance.

Airports on this route

IAH Airport

Houston
BTR Airport

Baton Rouge
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 IAH–BTR data

IAH–BTR runs 7.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAH and BTR airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
  • If your dates flex, June (97.9% on-time) beats December (76.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.5% 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.

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.