Route
ATL → IAD
Hartsfield Jackson Atlanta International Airport Washington Dulles International Airport
How punctual is this route?
- On-time arrivals
- 76.4%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,005
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 33%
- Air traffic control & airport 19%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.9% | 315 |
| October 2025 | 80.2% | 334 |
| November 2025 | 76.4% | 322 |
| December 2025 | 68.8% | 321 |
| January 2026 | 74.5% | 281 |
| February 2026 | 84.4% | 262 |
| March 2026 | 72.4% | 306 |
| April 2026 | 84.6% | 354 |
| May 2026 | 80.5% | 406 |
| June 2026 | 77.4% | 381 |
| July 2026 | 66.6% | 366 |
| August 2026 | 68.6% | 357 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 2,233 | 77.8% | 2.7% | 81 min |
| United Airlines | 1,091 | 81.6% | 0.9% | 83 min |
| Frontier Airlines | 661 | 63.1% | 2.1% | 85 min |
| Republic Airways | 20 | 80.0% | 0.0% | 337 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1831
24% late · 361 flights
-
DL1695
24% late · 350 flights
-
DL2549
27% late · 329 flights
-
UA632
13% late · 298 flights
-
UA2634
23% late · 292 flights
-
DL1309
27% late · 287 flights
-
DL1444
12% late · 251 flights
-
DL2902
30% late · 226 flights
-
F91082
35% late · 209 flights
-
F93692
48% late · 203 flights
-
DL1324
10% late · 200 flights
-
DL2135
17% late · 145 flights
-
F94708
26% late · 125 flights
-
F94410
33% late · 124 flights
-
UA641
4% late · 114 flights
-
DL1482
21% late · 110 flights
-
DL1687
28% late · 109 flights
-
DL2974
22% late · 75 flights
-
DL1751
14% late · 69 flights
-
DL2751
38% late · 41 flights
-
DL2010
4% late · 24 flights
-
UA2131
19% late · 21 flights
In the news
More headlines →-
City Council backs $55 million in new Hartsfield-Jackson funding as construction projects multiply
The Business Journals ATL
-
Over 400 flights cancelled due to severe weather at Hartsfield-Jackson Atlanta International Airport, Georgia
The Watchers - Watching the world evolve and transform ATL
-
Hartsfield-Jackson Atlanta International Airport
The Aviation Hub ATL
Headlines found by Google News; stories open on the publisher's site.
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