Route
ATL → BUF
Hartsfield Jackson Atlanta International Airport Buffalo Niagara International Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,534
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 15%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.9% | 124 |
| October 2025 | 82.4% | 142 |
| November 2025 | 83.8% | 108 |
| December 2025 | 68.0% | 107 |
| January 2026 | 76.9% | 98 |
| February 2026 | 72.9% | 97 |
| March 2026 | 79.4% | 128 |
| April 2026 | 79.2% | 144 |
| May 2026 | 77.6% | 149 |
| June 2026 | 81.2% | 141 |
| July 2026 | 52.4% | 147 |
| August 2026 | 77.7% | 149 |
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 | 1,255 | 79.1% | 1.8% | 61 min |
| Frontier Airlines | 278 | 67.2% | 2.5% | 87 min |
| Southwest Airlines | 1 | 0.0% | 0.0% | 92 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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
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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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