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Route · BOI → IAH · 2020–2025 BTS data

Boise to Houston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOI to IAH (Boise to Houston) ranks #4529 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.4%
On-time
+9.4 pts
vs US avg
64 min
Delay when late
974
Flights
#4529 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Jul 2021 84%

Worst Month

Aug 2021 79%

Distance

1,482 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
May 2023 31 2 0 1 OO
Apr 2023 30 5 0 0 OO
Mar 2023 31 10 0 0 OO
Jan 2023 31 6 0 1 OO
Dec 2022 30 11 0 0 OO
Nov 2022 30 4 0 0 OO
Oct 2022 31 3 0 0 OO
Sep 2022 30 0 0 0 OO
Aug 2022 31 2 0 0 OO
Jul 2022 31 1 0 0 OO
Jun 2022 30 1 0 0 OO
May 2022 31 2 0 0 OO
Apr 2022 30 4 0 0 OO
Mar 2022 31 4 0 0 OO
Jan 2022 31 2 1 0 OO
Dec 2021 31 7 0 0 OO
Nov 2021 30 1 0 0 OO
Oct 2021 31 1 1 0 OO
Sep 2021 30 2 0 1 OO
Aug 2021 53 11 0 0 OO
Jul 2021 61 10 0 0 OO
Jun 2021 34 6 0 0 OO
May 2021 31 2 0 0 OO
Apr 2021 30 0 0 0 OO

BOI–IAH seasonal on-time pattern

Best: September (96.7%) · weakest: December (77.2%)

75%80%85%90%95%100% JanMarAprMayJunJulAugSepOctNovDec 77.2%

Strongest calendar month

September

96.7% on-time · ~30 flights/mo

Busiest calendar month

July

~46 flights/mo avg

Weakest calendar month

December

77.2% on-time · ~31 flights/mo

Cancellation Rate

0.3%

2 of 790 flights

Diversion Rate

0.4%

3 of 790 flights

Explore origin & destination

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

BOI - Boise

Full on-time, delay-cause, and seasonal performance for Boise, ID.

BOI 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 BOI and IAH side by side on delays, cancellations, and reliability.

Compare BOI vs IAH

Origin-hub reliability standing

Among BOI's stronger departures

BOI → IAH posts a 88.4% on-time rate, landing in the ≥85% band with 10 of 19 BTS-tracked routes leaving Boise. The same hub also shows 9 mid-band and 0 challenged departures · fleet-wide on-time rank #341 of 4927 (highest on-time = #1).

What the Data Says About BOI to IAH

Boise to Houston (BOI to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 974 flights, with delays that do happen averaging 63.5 minutes. The corridor runs roughly 1,482 miles and is served by 2 carriers. Over the most recent 24 months, 2 of 790 flights were cancelled (0.3%) and 3 diverted (0.4%).

Monthly on-time rates stay fairly consistent on this route, ranging from 79% in Aug 2021 to 84% in Jul 2021 - only a 4-point spread.

On the multi-year calendar, BOI–IAH peaks in September at 96.7% on-time while July carries the heaviest traffic (~46 flights per month) ; the softest month is December at 77.2%, a 19.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BOI to IAH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BOI to IAH ranks #4529 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 BOI to IAH? ▼
Flights from Boise to Houston have a 88.4% on-time rate based on 974 flights. The average delay is 63.5 minutes. The best recent month was Jul 2021 with 84% on-time.
What is the cancellation rate for BOI to IAH? ▼
Over the last 24 months, 0.3% of flights on this route were cancelled (2 of 790 flights) and 0.4% were diverted.
How far is the flight from BOI to IAH? ▼
The flight distance from Boise (BOI) to Houston (IAH) is approximately 1,482 miles. This route is served by 2 carriers.
When is the best time to fly from BOI to IAH? ▼
The best recent month for on-time performance was Jul 2021 (84% on-time). The worst was Aug 2021 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

BOI Airport

Boise
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 BOI–IAH data

BOI–IAH runs 9.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BOI and IAH airport profiles: delay causes and top routes differ even on the same corridor. BOI airport
  • If your dates flex, September (96.7% on-time) beats December (77.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.4% 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.