Route · IAH → MEM · 2020–2025 BTS data
Houston to Memphis
The IAH–MEM corridor (Houston, TX → Memphis, TN) runs ahead of the national average, served by 16 carriers across roughly 468 miles.
Data updated 2026-06-13
- 80%
- On-time
- +1 pts
- vs US avg
- 76 min
- Delay when late
- 4,651
- Flights
Cancelled
1.4%
Best Month
Sep 2025 92%
Worst Month
Jun 2025 61%
Distance
468 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 79 | 17 | 0 | 0 | UA,OO |
| Nov 2025 | 89 | 19 | 0 | 0 | OO,UA |
| Oct 2025 | 93 | 16 | 0 | 0 | OO,UA |
| Sep 2025 | 101 | 8 | 0 | 0 | UA,OO |
| Aug 2025 | 91 | 20 | 1 | 0 | OO,UA |
| Jul 2025 | 88 | 19 | 0 | 1 | OO,UA |
| Jun 2025 | 107 | 42 | 0 | 0 | OO,UA |
| May 2025 | 100 | 24 | 1 | 0 | OO,UA |
| Apr 2025 | 61 | 13 | 1 | 0 | OO,UA |
| Mar 2025 | 59 | 21 | 0 | 0 | OO,UA |
| Feb 2025 | 47 | 14 | 0 | 0 | OO,UA |
| Jan 2025 | 45 | 8 | 5 | 0 | OO,UA |
| Dec 2024 | 31 | 10 | 0 | 0 | UA |
| Oct 2024 | 31 | 10 | 0 | 0 | UA |
| Sep 2024 | 50 | 10 | 0 | 0 | OO,UA |
| Aug 2024 | 53 | 17 | 0 | 0 | OO,UA |
| Jul 2024 | 47 | 27 | 3 | 0 | OO,UA |
| Jun 2024 | 33 | 13 | 0 | 0 | OO,UA |
| May 2024 | 46 | 16 | 6 | 1 | OO,UA |
| Apr 2024 | 30 | 8 | 0 | 0 | UA |
| Mar 2024 | 46 | 13 | 0 | 0 | OO,UA |
| Feb 2024 | 41 | 4 | 0 | 0 | OO,UA |
| Jan 2024 | 31 | 4 | 3 | 0 | UA |
| Dec 2023 | 31 | 8 | 0 | 0 | UA |
Cancellation Rate
1.4%
20 of 1,430 flights
Diversion Rate
0.1%
2 of 1,430 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 →MEM - Memphis
Full on-time, delay-cause, and seasonal performance for Memphis, TN.
Destination airport →Compare the two airports
See IAH and MEM 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–MEM.
Routes with a similar on-time rate
What the Data Says About IAH to MEM
4,651 tracked flights put the IAH to MEM pairing (Houston to Memphis) at a 80% on-time rate, squarely in line with the wider network. Delays that do occur run 75.9 minutes on average. Across the 468-mile route and its 16 carriers, the trailing 24 months show 1.4% cancelled and 0.1% diverted (1,430 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 92% on-time, while Jun 2025 came in at just 61% - a 31-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.