Route
ATL → IAH
Hartsfield Jackson Atlanta International Airport George Bush Intercontinental Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,965
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Late-arriving aircraft 36%
- Air traffic control & airport 22%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.2% | 384 |
| October 2025 | 78.9% | 439 |
| November 2025 | 81.7% | 402 |
| December 2025 | 73.1% | 369 |
| January 2026 | 78.0% | 394 |
| February 2026 | 85.9% | 384 |
| March 2026 | 74.9% | 439 |
| April 2026 | 80.5% | 469 |
| May 2026 | 68.9% | 444 |
| June 2026 | 71.6% | 396 |
| July 2026 | 65.6% | 426 |
| August 2026 | 77.9% | 419 |
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 | 2,543 | 76.0% | 2.0% | 62 min |
| United Airlines | 1,281 | 85.3% | 0.7% | 79 min |
| Frontier Airlines | 827 | 69.5% | 1.6% | 91 min |
| NK | 308 | 67.9% | 5.5% | 84 min |
| SkyWest Airlines | 6 | 83.3% | 0.0% | 46 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1601
25% late · 365 flights
-
DL1284
28% late · 356 flights
-
DL1682
15% late · 348 flights
-
F94075
39% late · 336 flights
-
DL1585
18% late · 334 flights
-
F91403
25% late · 331 flights
-
UA532
11% late · 237 flights
-
DL1131
39% late · 205 flights
-
DL1572
14% late · 200 flights
-
UA425
12% late · 188 flights
-
DL1223
31% late · 183 flights
-
DL2890
30% late · 179 flights
-
F92399
24% late · 158 flights
-
DL2709
16% late · 146 flights
-
UA470
19% late · 135 flights
-
UA222
6% late · 130 flights
-
UA1057
12% late · 126 flights
-
DL2113
31% late · 102 flights
-
UA521
17% late · 88 flights
-
NK1155
50% late · 85 flights
-
UA2376
36% late · 73 flights
-
UA1359
17% late · 66 flights
-
NK3247
24% late · 59 flights
-
NK2070
29% late · 50 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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