Route · IAH → MEM · 2020–2025 BTS data
Houston to Memphis
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to MEM (Houston to Memphis) ranks #2609 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80%
- On-time
- +1 pts
- vs US avg
- 76 min
- Delay when late
- 4,651
- Flights
- #2609 of 4927
- Corpus placement
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 |
IAH–MEM seasonal on-time pattern
Best: February (85.9%) · weakest: June (66.0%)
Strongest calendar month
February
85.9% on-time · ~64 flights/mo
Busiest calendar month
September
~77 flights/mo avg
Weakest calendar month
June
66.0% on-time · ~65 flights/mo
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.
IAH on-time profileMEM - Memphis
Full on-time, delay-cause, and seasonal performance for Memphis, TN.
MEM on-time profileCompare the two airports
See IAH and MEM side by side on delays, cancellations, and reliability.
Compare IAH vs MEMOrigin-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: Memphis · fleet on-time rank #3146 of 4927.
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.
On the multi-year calendar, IAH–MEM peaks in February at 85.9% on-time while September carries the heaviest traffic (~77 flights per month) ; the softest month is June at 66.0%, a 19.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to MEM rank among US routes by traffic? ▼
How often are flights delayed from IAH to MEM? ▼
What is the cancellation rate for IAH to MEM? ▼
How far is the flight from IAH to MEM? ▼
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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–MEM data
IAH–MEM is mid-pack at 80% on-time; month and carrier mix move more than the corridor headline.
- Compare IAH and MEM airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, February (85.9% on-time) beats June (66.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 80% 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.