PlainFlights

Route · DFW → IAD · 2020–2025 BTS data

Dallas/Fort Worth to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DFW to IAD (Dallas/Fort Worth to Washington) ranks #1254 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.5%
On-time
+0.5 pts
vs US avg
75 min
Delay when late
9,425
Flights
#1254 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Sep 2025 89%

Worst Month

May 2024 64%

Distance

1,172 mi

Carriers

26

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 138 33 0 0 YX,F9,AA,UA
Nov 2025 143 38 1 0 UA,F9,AA
Oct 2025 173 36 1 0 AA,UA,F9
Sep 2025 185 21 2 0 UA,F9,AA
Aug 2025 166 36 6 0 AA,F9,UA
Jul 2025 172 53 7 1 AA,UA,F9
Jun 2025 187 53 2 2 AA,UA,F9
May 2025 157 46 4 0 AA,UA,F9
Apr 2025 141 43 1 0 UA,AA
Mar 2025 165 40 2 1 AA,UA
Feb 2025 124 25 2 0 AA,UA
Jan 2025 132 24 7 0 AA,UA
Dec 2024 132 28 1 0 AA,UA
Nov 2024 145 25 3 0 UA,AA
Oct 2024 176 20 0 0 UA,AA
Sep 2024 147 21 0 0 UA,AA
Aug 2024 145 37 2 2 AA,YX,UA
Jul 2024 143 43 3 1 AA,UA
Jun 2024 138 39 3 0 AA,UA
May 2024 140 50 7 0 AA,UA
Apr 2024 133 29 2 0 AA,UA
Mar 2024 138 38 2 0 AA,UA
Feb 2024 136 24 0 0 AA,UA
Jan 2024 142 44 3 0 AA,UA

DFW–IAD seasonal on-time pattern

Best: October (85.8%) · weakest: July (73.5%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.4%

Strongest calendar month

October

85.8% on-time · ~143 flights/mo

Busiest calendar month

October

~143 flights/mo avg

Weakest calendar month

July

73.5% on-time · ~134 flights/mo

Cancellation Rate

1.7%

61 of 3,598 flights

Diversion Rate

0.2%

7 of 3,598 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 profile

IAD - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

IAD on-time profile

Compare the two airports

See DFW and IAD side by side on delays, cancellations, and reliability.

Compare DFW vs IAD

Origin-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: Washington · fleet on-time rank #3343 of 4927.

What the Data Says About DFW to IAD

9,425 tracked flights put the DFW to IAD pairing (Dallas/Fort Worth to Washington) at a 79.5% on-time rate, squarely in line with the wider network. Delays that do occur run 75.0 minutes on average. Across the 1,172-mile route and its 26 carriers, the trailing 24 months show 1.7% cancelled and 0.2% diverted (3,598 flights sampled).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 89% on-time, while May 2024 came in at just 64% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, DFW–IAD peaks in October at 85.8% on-time ; the softest month is July at 73.5%, a 12.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DFW to IAD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DFW to IAD ranks #1254 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DFW to IAD? ▼
Flights from Dallas/Fort Worth to Washington have a 79.5% on-time rate based on 9,425 flights. The average delay is 75.0 minutes. The best recent month was Sep 2025 with 89% on-time.
What is the cancellation rate for DFW to IAD? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (61 of 3,598 flights) and 0.2% were diverted.
How far is the flight from DFW to IAD? ▼
The flight distance from Dallas/Fort Worth (DFW) to Washington (IAD) is approximately 1,172 miles. This route is served by 26 carriers.
When is the best time to fly from DFW to IAD? ▼
The best recent month for on-time performance was Sep 2025 (89% on-time). The worst was May 2024 (64% on-time). Consider booking during months with historically better performance.

Airports on this route

DFW Airport

Dallas/Fort Worth
IAD Airport

Washington
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–IAD data

DFW–IAD is mid-pack at 79.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare DFW and IAD airport profiles: delay causes and top routes differ even on the same corridor. DFW airport
  • If your dates flex, October (85.8% on-time) beats July (73.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.5% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.