Route · ATL → IAD · 2020–2025 BTS data
Atlanta to Washington
The ATL–IAD corridor (Atlanta, GA → Washington, DC) runs ahead of the national average, served by 43 carriers across roughly 534 miles.
Data updated 2026-06-13
- 84%
- On-time
- +5 pts
- vs US avg
- 77 min
- Delay when late
- 20,375
- Flights
Cancelled
1.3%
Best Month
Feb 2024 91%
Worst Month
Jul 2025 63%
Distance
534 mi
Carriers
43
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 321 | 98 | 7 | 0 | DL,YX,F9,UA |
| Nov 2025 | 322 | 74 | 8 | 0 | UA,DL,F9 |
| Oct 2025 | 334 | 66 | 1 | 0 | UA,DL,F9 |
| Sep 2025 | 315 | 54 | 0 | 0 | UA,DL,F9 |
| Aug 2025 | 344 | 88 | 2 | 1 | YX,F9,UA,DL |
| Jul 2025 | 353 | 131 | 14 | 2 | DL,UA,F9 |
| Jun 2025 | 351 | 117 | 14 | 0 | DL,UA,YX,F9 |
| May 2025 | 349 | 101 | 1 | 3 | DL,UA,YX,F9 |
| Apr 2025 | 317 | 79 | 2 | 0 | DL,F9,UA |
| Mar 2025 | 317 | 64 | 2 | 0 | DL,YX,UA,F9 |
| Feb 2025 | 258 | 57 | 0 | 0 | DL,UA,YX,F9 |
| Jan 2025 | 271 | 67 | 13 | 0 | DL,UA,F9 |
| Dec 2024 | 308 | 75 | 0 | 1 | DL,F9,UA |
| Nov 2024 | 292 | 28 | 1 | 0 | UA,WN,DL,F9 |
| Oct 2024 | 317 | 33 | 1 | 0 | UA,DL |
| Sep 2024 | 305 | 47 | 1 | 0 | UA,DL |
| Aug 2024 | 299 | 51 | 3 | 2 | DL,UA |
| Jul 2024 | 285 | 92 | 17 | 0 | DL,UA |
| Jun 2024 | 311 | 60 | 0 | 0 | DL,UA |
| May 2024 | 277 | 59 | 4 | 2 | DL,UA |
| Apr 2024 | 236 | 39 | 0 | 1 | DL,UA |
| Mar 2024 | 209 | 32 | 0 | 0 | DL,YX,UA |
| Feb 2024 | 206 | 19 | 1 | 0 | DL,UA,YX |
| Jan 2024 | 221 | 29 | 1 | 0 | DL,WN,YX,UA |
Cancellation Rate
1.3%
93 of 7,118 flights
Diversion Rate
0.2%
12 of 7,118 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Destination airport →Compare the two airports
See ATL and IAD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–IAD.
Routes with a similar on-time rate
What the Data Says About ATL to IAD
Bureau of Transportation Statistics records show Atlanta to Washington (ATL to IAD) running a 84% on-time rate over 20,375 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.1 minutes. The 534-mile corridor is served by 43 carriers, and over the last 24 months 1.3% of 7,118 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 63% - a 28-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.