Route · IAH → BOI · 2020–2025 BTS data
Houston to Boise
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to BOI (Houston to Boise) ranks #4528 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.6%
- On-time
- +1.6 pts
- vs US avg
- 70 min
- Delay when late
- 976
- Flights
- #4528 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Jul 2021 79%
Worst Month
Aug 2021 68%
Distance
1,482 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| May 2023 | 31 | 4 | 1 | 0 | OO |
| Apr 2023 | 30 | 7 | 1 | 0 | OO |
| Mar 2023 | 31 | 10 | 0 | 0 | OO |
| Jan 2023 | 31 | 7 | 0 | 0 | OO |
| Dec 2022 | 31 | 11 | 0 | 3 | OO |
| Nov 2022 | 30 | 5 | 0 | 0 | OO |
| Oct 2022 | 31 | 5 | 0 | 1 | OO |
| Sep 2022 | 30 | 5 | 0 | 1 | OO |
| Aug 2022 | 31 | 7 | 1 | 0 | OO |
| Jul 2022 | 31 | 8 | 0 | 0 | OO |
| Jun 2022 | 30 | 8 | 0 | 0 | OO |
| May 2022 | 31 | 4 | 0 | 0 | OO |
| Apr 2022 | 30 | 7 | 0 | 0 | OO |
| Mar 2022 | 31 | 5 | 0 | 0 | OO |
| Jan 2022 | 31 | 8 | 1 | 0 | OO |
| Dec 2021 | 31 | 14 | 0 | 0 | OO |
| Nov 2021 | 30 | 3 | 0 | 0 | OO |
| Oct 2021 | 31 | 3 | 1 | 0 | OO |
| Sep 2021 | 30 | 7 | 0 | 0 | OO |
| Aug 2021 | 53 | 17 | 0 | 0 | OO |
| Jul 2021 | 61 | 13 | 0 | 0 | OO |
| Jun 2021 | 34 | 4 | 0 | 0 | OO |
| May 2021 | 31 | 7 | 0 | 0 | OO |
| Apr 2021 | 30 | 4 | 0 | 0 | OO |
IAH–BOI seasonal on-time pattern
Best: November (91.1%) · weakest: December (68.8%)
Strongest calendar month
November
91.1% on-time · ~30 flights/mo
Busiest calendar month
July
~46 flights/mo avg
Weakest calendar month
December
68.8% on-time · ~31 flights/mo
Cancellation Rate
0.6%
5 of 791 flights
Diversion Rate
0.6%
5 of 791 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 profileBOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
BOI on-time profileCompare the two airports
See IAH and BOI side by side on delays, cancellations, and reliability.
Compare IAH vs BOIOrigin-hub reliability standing
Mid-pack among IAH departures
From IAH, this corridor sits with 79 other 75–85% on-time routes out of 102 tracked departures, not the hub's reliability leaders (17 at ≥85%) and not the softest ( 6 below 75%). Destination: Boise · fleet on-time rank #2885 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–BOI.
Routes with a similar on-time rate
What the Data Says About IAH to BOI
976 tracked flights put the IAH to BOI pairing (Houston to Boise) at a 80.6% on-time rate, squarely in line with the wider network. Delays that do occur run 70.1 minutes on average. Across the 1,482-mile route and its 2 carriers, the trailing 24 months show 0.6% cancelled and 0.6% diverted (791 flights sampled).
Monthly performance varies moderately here: Jul 2021 was the strongest month at 79% on-time versus Aug 2021 at 68%, a 11-point difference.
On the multi-year calendar, IAH–BOI peaks in November at 91.1% on-time while July carries the heaviest traffic (~46 flights per month) ; the softest month is December at 68.8%, a 22.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to BOI rank among US routes by traffic? ▼
How often are flights delayed from IAH to BOI? ▼
What is the cancellation rate for IAH to BOI? ▼
How far is the flight from IAH to BOI? ▼
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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 IAH–BOI data
IAH–BOI is mid-pack at 80.6% on-time; month and carrier mix move more than the corridor headline.
- Compare IAH and BOI airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, November (91.1% on-time) beats December (68.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.6% 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.