Route
IAD → ATL
Washington Dulles International Airport Hartsfield Jackson Atlanta International Airport
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,003
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 21%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.2% | 315 |
| October 2025 | 81.6% | 334 |
| November 2025 | 78.9% | 322 |
| December 2025 | 71.7% | 321 |
| January 2026 | 82.2% | 281 |
| February 2026 | 85.2% | 262 |
| March 2026 | 78.9% | 305 |
| April 2026 | 87.7% | 354 |
| May 2026 | 75.6% | 405 |
| June 2026 | 76.9% | 381 |
| July 2026 | 63.0% | 366 |
| August 2026 | 69.4% | 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 | 79.9% | 2.8% | 97 min |
| United Airlines | 1,090 | 79.9% | 0.7% | 82 min |
| Frontier Airlines | 660 | 68.0% | 3.2% | 82 min |
| Republic Airways | 20 | 78.9% | 5.0% | 46 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1695
28% late · 346 flights
-
F94707
31% late · 334 flights
-
UA471
15% late · 324 flights
-
UA2081
32% late · 318 flights
-
DL2127
12% late · 299 flights
-
UA2739
11% late · 289 flights
-
DL1444
20% late · 251 flights
-
DL1354
18% late · 242 flights
-
DL1324
16% late · 238 flights
-
F91081
23% late · 185 flights
-
DL2902
26% late · 154 flights
-
DL2135
28% late · 145 flights
-
UA1635
25% late · 121 flights
-
DL1482
24% late · 110 flights
-
DL2974
18% late · 98 flights
-
DL3080
16% late · 97 flights
-
F93691
47% late · 95 flights
-
DL1751
16% late · 69 flights
-
DL1687
21% late · 59 flights
-
F94409
46% late · 46 flights
-
DL2751
36% late · 41 flights
-
DL1309
12% late · 25 flights
-
DL2010
4% late · 24 flights
-
UA2660
29% 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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