Route · DFW → IAH · 2020–2025 BTS data
Dallas/Fort Worth to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DFW to IAH (Dallas/Fort Worth to Houston) ranks #127 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.3%
- On-time
- -2.7 pts
- vs US avg
- 80 min
- Delay when late
- 30,188
- Flights
- #127 of 4927
- Corpus placement
Cancelled
3.2%
Best Month
Feb 2024 86%
Worst Month
May 2024 55%
Distance
224 mi
Carriers
49
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 502 | 143 | 1 | 0 | AA,MQ,UA,OO |
| Nov 2025 | 474 | 147 | 23 | 0 | UA,MQ,OH,OO,AA |
| Oct 2025 | 503 | 173 | 8 | 0 | AA,UA,MQ |
| Sep 2025 | 498 | 142 | 11 | 1 | MQ,UA,AA |
| Aug 2025 | 464 | 186 | 13 | 1 | AA,MQ,UA |
| Jul 2025 | 457 | 133 | 21 | 1 | AA,OO,UA,MQ |
| Jun 2025 | 458 | 181 | 18 | 5 | AA,OH,OO,UA,MQ |
| May 2025 | 504 | 176 | 21 | 0 | AA,NK,OO,UA,MQ |
| Apr 2025 | 495 | 146 | 18 | 1 | MQ,OO,UA,AA |
| Mar 2025 | 514 | 129 | 13 | 0 | AA,OO,UA,F9,MQ,NK |
| Feb 2025 | 452 | 95 | 2 | 1 | AA,OO,UA,F9,MQ |
| Jan 2025 | 505 | 101 | 52 | 0 | AA,OH,OO,UA,F9,MQ |
| Dec 2024 | 466 | 117 | 12 | 1 | AA,F9,MQ,NK,OH,OO,UA |
| Nov 2024 | 469 | 90 | 13 | 0 | UA,MQ,NK,OO,F9,AA |
| Oct 2024 | 510 | 94 | 0 | 0 | UA,MQ,OO,NK,F9,AA |
| Sep 2024 | 474 | 110 | 0 | 0 | UA,AA,F9,MQ,NK |
| Aug 2024 | 455 | 122 | 8 | 0 | AA,F9,MQ,NK,UA |
| Jul 2024 | 424 | 163 | 32 | 2 | AA,F9,MQ,UA |
| Jun 2024 | 438 | 156 | 14 | 2 | AA,F9,MQ,UA |
| May 2024 | 459 | 206 | 46 | 2 | AA,F9,MQ,OO,UA |
| Apr 2024 | 406 | 114 | 11 | 1 | AA,F9,MQ,UA |
| Mar 2024 | 421 | 119 | 4 | 1 | AA,MQ,UA |
| Feb 2024 | 367 | 50 | 0 | 0 | AA,MQ,UA |
| Jan 2024 | 368 | 106 | 15 | 1 | AA,MQ,UA |
DFW–IAH seasonal on-time pattern
Best: February (81.2%) · weakest: June (69.6%)
Strongest calendar month
February
81.2% on-time · ~388 flights/mo
Busiest calendar month
October
~452 flights/mo avg
Weakest calendar month
June
69.6% on-time · ~412 flights/mo
Cancellation Rate
3.2%
356 of 11,083 flights
Diversion Rate
0.2%
20 of 11,083 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DFW - Dallas/Fort Worth
Full on-time, delay-cause, and seasonal performance for Dallas/Fort Worth, TX.
DFW on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See DFW and IAH side by side on delays, cancellations, and reliability.
Compare DFW vs IAHOrigin-hub reliability standing
Mid-pack among DFW departures
From DFW, this corridor sits with 113 other 75–85% on-time routes out of 183 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 57 below 75%). Destination: Houston · fleet on-time rank #4242 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DFW–IAH.
Routes with a similar on-time rate
What the Data Says About DFW to IAH
The Dallas/Fort Worth to Houston corridor (DFW to IAH) posts a 76.3% on-time rate on the lower edge of the average band, based on 30,188 tracked flights. Late flights run 80.1 minutes behind on average. 49 carriers cover the 224-mile route; over the last 24 months, 356 of 11,083 flights were cancelled (3.2%) and 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 86% on-time, while May 2024 came in at just 55% - a 31-point swing worth factoring into travel timing.
On the multi-year calendar, DFW–IAH peaks in February at 81.2% on-time while October carries the heaviest traffic (~452 flights per month) ; the softest month is June at 69.6%, a 11.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DFW to IAH rank among US routes by traffic? ▼
How often are flights delayed from DFW to IAH? ▼
What is the cancellation rate for DFW to IAH? ▼
How far is the flight from DFW to IAH? ▼
When is the best time to fly from DFW to IAH? ▼
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 DFW–IAH data
DFW–IAH is mid-pack at 76.3% on-time; month and carrier mix move more than the corridor headline.
- Compare DFW and IAH airport profiles: delay causes and top routes differ even on the same corridor. DFW airport
- If your dates flex, February (81.2% on-time) beats June (69.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.3% 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.