Route Reliability
Buffalo → Atlanta
BUF–ATL · 712 miles · Buffalo Niagara International Airport to Hartsfield–Jackson Atlanta International Airport
- 81%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 2.4%
- Cancelled
- 1,491
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines83%1,244 flights
- 2.Frontier Airlines69%246 flights
Not enough history to rank: Southwest Airlines (1 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
BUF–ATL flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 75% between 3–6 PM.
Sunday scaries are real for this one.
BUF–ATL flights arrived on time 91% of the time on Wednesdays and just 73% on Sundays. That gap is worth planning around.
Delta Air Lines runs this route best.
Delta Air Lines arrived on time 83% of the time on this route; Frontier Airlines managed 69%.
Ticking up lately.
BUF–ATL flights arrived on time 82% of the time over the last three months in the data, compared with 76% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon74%(215 flights)
- Tue81%(203 flights)
- Wed91%(187 flights)
- Thu83%(227 flights)
- Fri83%(218 flights)
- Sat83%(172 flights)
- Sun73%(231 flights)
- 6–9 AM86%(354 flights)
- 9 AM–12 PM87%(31 flights)
- 12–3 PM81%(540 flights)
- 3–6 PM75%(236 flights)
- 6–9 PM78%(292 flights)
Jun 70% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 118 |
| July 2025 | 78% | 132 |
| August 2025 | 76% | 131 |
| September 2025 | 96% | 124 |
| October 2025 | 88% | 142 |
| November 2025 | 82% | 104 |
| December 2025 | 74% | 100 |
| January 2026 | 73% | 89 |
| February 2026 | 80% | 97 |
| March 2026 | 84% | 126 |
| April 2026 | 87% | 143 |
| May 2026 | 76% | 147 |
Keep nerding
Based on 1,491 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.