Route
IAH → ATL
George Bush Intercontinental Airport Hartsfield Jackson Atlanta International Airport
How punctual is this route?
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,960
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 25%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.1% | 384 |
| October 2025 | 80.3% | 438 |
| November 2025 | 79.8% | 401 |
| December 2025 | 78.1% | 367 |
| January 2026 | 81.2% | 395 |
| February 2026 | 85.5% | 381 |
| March 2026 | 65.9% | 440 |
| April 2026 | 79.3% | 466 |
| May 2026 | 70.0% | 446 |
| June 2026 | 69.3% | 396 |
| July 2026 | 67.5% | 426 |
| August 2026 | 75.8% | 420 |
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 | 80.4% | 2.0% | 75 min |
| United Airlines | 1,283 | 79.8% | 0.5% | 69 min |
| Frontier Airlines | 827 | 61.7% | 2.5% | 72 min |
| NK | 301 | 74.7% | 5.3% | 62 min |
| SkyWest Airlines | 6 | 83.3% | 0.0% | 20 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1069
8% late · 365 flights
-
DL1315
12% late · 365 flights
-
F91404
32% late · 365 flights
-
DL1682
22% late · 345 flights
-
DL1585
22% late · 331 flights
-
DL1572
22% late · 307 flights
-
UA1030
9% late · 258 flights
-
F92400
46% late · 241 flights
-
DL2709
18% late · 183 flights
-
DL1223
28% late · 161 flights
-
F94076
36% late · 141 flights
-
UA1746
16% late · 136 flights
-
UA462
13% late · 135 flights
-
DL2890
35% late · 111 flights
-
DL2113
25% late · 104 flights
-
NK1154
34% late · 85 flights
-
UA1211
45% late · 85 flights
-
F94106
50% late · 80 flights
-
UA2162
25% late · 76 flights
-
DL644
13% late · 72 flights
-
UA1591
22% late · 63 flights
-
NK3246
10% late · 59 flights
-
UA1962
2% late · 55 flights
-
NK2071
35% late · 49 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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