Route
ATL → DEN
Hartsfield Jackson Atlanta International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,594
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 27%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.5% | 450 |
| October 2025 | 78.2% | 474 |
| November 2025 | 86.5% | 449 |
| December 2025 | 68.2% | 457 |
| January 2026 | 84.4% | 429 |
| February 2026 | 80.1% | 410 |
| March 2026 | 78.2% | 459 |
| April 2026 | 80.6% | 442 |
| May 2026 | 78.2% | 483 |
| June 2026 | 77.4% | 515 |
| July 2026 | 76.1% | 532 |
| August 2026 | 68.7% | 494 |
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 | 2,807 | 79.0% | 1.2% | 57 min |
| Southwest Airlines | 1,071 | 73.5% | 1.2% | 62 min |
| United Airlines | 923 | 85.9% | 0.4% | 88 min |
| Frontier Airlines | 793 | 71.2% | 1.4% | 83 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL519
33% late · 365 flights
-
UA235
22% late · 363 flights
-
DL746
32% late · 361 flights
-
DL706
15% late · 360 flights
-
F93293
19% late · 355 flights
-
DL530
19% late · 323 flights
-
UA340
9% late · 286 flights
-
DL956
25% late · 283 flights
-
DL493
23% late · 269 flights
-
F93599
39% late · 259 flights
-
DL995
13% late · 219 flights
-
DL2235
6% late · 196 flights
-
UA1327
9% late · 192 flights
-
F91449
34% late · 179 flights
-
DL346
14% late · 100 flights
-
DL840
14% late · 91 flights
-
WN204
9% late · 84 flights
-
DL957
12% late · 83 flights
-
WN2451
19% late · 64 flights
-
DL1675
19% late · 62 flights
-
WN202
25% late · 61 flights
-
WN3002
57% late · 61 flights
-
WN365
26% late · 59 flights
-
WN1249
64% late · 58 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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