Route · IAH → DFW · 2020–2025 BTS data
Houston to Dallas/Fort Worth
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAH to DFW (Houston to Dallas/Fort Worth) ranks #125 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.6%
- On-time
- -2.4 pts
- vs US avg
- 94 min
- Delay when late
- 30,197
- Flights
- #125 of 4927
- Corpus placement
Cancelled
3.1%
Best Month
Nov 2024 84%
Worst Month
May 2024 54%
Distance
224 mi
Carriers
45
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 499 | 124 | 1 | 0 | AA,MQ,UA,OO |
| Nov 2025 | 475 | 125 | 22 | 1 | UA,MQ,OH,OO,AA |
| Oct 2025 | 503 | 96 | 7 | 1 | AA,UA,MQ |
| Sep 2025 | 498 | 95 | 8 | 0 | MQ,UA,AA |
| Aug 2025 | 465 | 163 | 12 | 0 | AA,MQ,UA |
| Jul 2025 | 457 | 136 | 21 | 2 | AA,OO,UA,MQ |
| Jun 2025 | 458 | 169 | 20 | 1 | AA,OH,OO,UA,MQ |
| May 2025 | 502 | 149 | 20 | 2 | AA,OO,UA,MQ |
| Apr 2025 | 496 | 135 | 17 | 0 | MQ,OO,UA,AA |
| Mar 2025 | 513 | 123 | 12 | 3 | AA,OO,UA,F9,MQ |
| Feb 2025 | 456 | 88 | 2 | 0 | AA,OO,UA,F9,MQ |
| Jan 2025 | 509 | 98 | 49 | 0 | AA,OH,OO,UA,F9,MQ |
| Dec 2024 | 466 | 111 | 13 | 1 | AA,F9,MQ,NK,OH,OO,UA |
| Nov 2024 | 469 | 74 | 10 | 1 | UA,MQ,NK,OO,F9,AA |
| Oct 2024 | 511 | 92 | 0 | 0 | UA,MQ,OO,NK,F9,AA |
| Sep 2024 | 478 | 98 | 0 | 0 | UA,AA,F9,MQ,NK |
| Aug 2024 | 454 | 121 | 7 | 0 | AA,F9,MQ,NK,UA |
| Jul 2024 | 425 | 172 | 28 | 0 | AA,F9,MQ,UA |
| Jun 2024 | 440 | 164 | 13 | 0 | AA,F9,MQ,UA |
| May 2024 | 460 | 210 | 48 | 1 | AA,F9,MQ,OO,UA |
| Apr 2024 | 406 | 111 | 13 | 0 | AA,F9,MQ,UA |
| Mar 2024 | 419 | 115 | 4 | 3 | AA,MQ,NK,UA |
| Feb 2024 | 368 | 70 | 0 | 0 | AA,MQ,UA |
| Jan 2024 | 368 | 113 | 16 | 0 | AA,MQ,UA |
IAH–DFW seasonal on-time pattern
Best: February (81.5%) · weakest: June (70.3%)
Strongest calendar month
February
81.5% on-time · ~389 flights/mo
Busiest calendar month
October
~453 flights/mo avg
Weakest calendar month
June
70.3% on-time · ~412 flights/mo
Cancellation Rate
3.1%
343 of 11,095 flights
Diversion Rate
0.1%
16 of 11,095 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 profileDFW - Dallas/Fort Worth
Full on-time, delay-cause, and seasonal performance for Dallas/Fort Worth, TX.
DFW on-time profileCompare the two airports
See IAH and DFW side by side on delays, cancellations, and reliability.
Compare IAH vs DFWOrigin-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: Dallas/Fort Worth · fleet on-time rank #4183 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–DFW.
Routes with a similar on-time rate
What the Data Says About IAH to DFW
The Houston to Dallas/Fort Worth corridor (IAH to DFW) posts a 76.6% on-time rate on the lower edge of the average band, based on 30,197 tracked flights. Late flights run 93.5 minutes behind on average. 45 carriers cover the 224-mile route; over the last 24 months, 343 of 11,095 flights were cancelled (3.1%) and 0.1% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 84% on-time, while May 2024 came in at just 54% - a 30-point swing worth factoring into travel timing.
On the multi-year calendar, IAH–DFW peaks in February at 81.5% on-time while October carries the heaviest traffic (~453 flights per month) ; the softest month is June at 70.3%, a 11.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAH to DFW rank among US routes by traffic? ▼
How often are flights delayed from IAH to DFW? ▼
What is the cancellation rate for IAH to DFW? ▼
How far is the flight from IAH to DFW? ▼
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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–DFW data
IAH–DFW is mid-pack at 76.6% on-time; month and carrier mix move more than the corridor headline.
- Compare IAH and DFW airport profiles: delay causes and top routes differ even on the same corridor. IAH airport
- If your dates flex, February (81.5% on-time) beats June (70.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.6% 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.