Route · IAH → BOS · 2020–2025 BTS data
Houston to Boston
The IAH–BOS corridor (Houston, TX → Boston, MA) runs behind the national average, served by 9 carriers across roughly 1,597 miles.
Data updated 2026-06-13
- 78.1%
- On-time
- -0.9 pts
- vs US avg
- 87 min
- Delay when late
- 9,755
- Flights
Cancelled
1.4%
Best Month
Oct 2024 88%
Worst Month
Oct 2025 57%
Distance
1,597 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 175 | 24 | 0 | 0 | B6,UA |
| Nov 2025 | 189 | 44 | 1 | 0 | UA,B6 |
| Oct 2025 | 189 | 82 | 0 | 1 | B6,UA |
| Sep 2025 | 158 | 67 | 1 | 0 | UA,B6 |
| Aug 2025 | 196 | 55 | 1 | 0 | UA,B6 |
| Jul 2025 | 216 | 63 | 4 | 0 | B6,UA |
| Jun 2025 | 197 | 71 | 4 | 0 | B6,UA |
| May 2025 | 206 | 52 | 2 | 0 | B6,UA |
| Apr 2025 | 150 | 28 | 1 | 1 | UA,B6 |
| Mar 2025 | 150 | 30 | 0 | 0 | B6,UA |
| Feb 2025 | 119 | 20 | 1 | 0 | B6,UA |
| Jan 2025 | 113 | 19 | 4 | 0 | B6,UA |
| Dec 2024 | 132 | 31 | 2 | 0 | B6,UA |
| Nov 2024 | 139 | 28 | 0 | 1 | UA,B6 |
| Oct 2024 | 163 | 19 | 0 | 0 | UA,NK,B6 |
| Sep 2024 | 172 | 34 | 0 | 0 | UA,B6,NK |
| Aug 2024 | 200 | 66 | 3 | 1 | B6,NK,UA |
| Jul 2024 | 211 | 77 | 20 | 1 | B6,NK,UA |
| Jun 2024 | 209 | 76 | 0 | 1 | B6,NK,UA |
| May 2024 | 192 | 70 | 4 | 0 | B6,NK,UA |
| Apr 2024 | 167 | 34 | 0 | 1 | B6,NK,UA |
| Mar 2024 | 142 | 27 | 0 | 0 | B6,UA |
| Feb 2024 | 127 | 17 | 0 | 0 | B6,UA |
| Jan 2024 | 130 | 29 | 7 | 2 | B6,UA |
Cancellation Rate
1.4%
55 of 4,042 flights
Diversion Rate
0.2%
9 of 4,042 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.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See IAH and BOS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–BOS.
Routes with a similar on-time rate
What the Data Says About IAH to BOS
The Houston to Boston corridor (IAH to BOS) posts a 78.1% on-time rate on the lower edge of the average band, based on 9,755 tracked flights. Late flights run 86.7 minutes behind on average. 9 carriers cover the 1,597-mile route; over the last 24 months, 55 of 4,042 flights were cancelled (1.4%) and 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 88% on-time, while Oct 2025 came in at just 57% - a 32-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.