Route
DFW → BUF
Dallas Fort Worth International Airport Buffalo Niagara International Airport
1,212 miles
Return route BUF → DFW →
How punctual is this route?
- On-time arrivals
- 61.0%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 573
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 10%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.6% | 60 |
| October 2025 | 76.3% | 60 |
| November 2025 | 50.0% | 58 |
| December 2025 | 45.9% | 38 |
| January 2026 | 40.6% | 35 |
| February 2026 | 42.9% | 28 |
| March 2026 | 55.2% | 31 |
| April 2026 | 79.3% | 30 |
| May 2026 | 70.7% | 42 |
| June 2026 | 62.1% | 60 |
| July 2026 | 56.5% | 70 |
| August 2026 | 60.7% | 61 |
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 |
|---|---|---|---|---|
| American Airlines | 573 | 61.0% | 2.8% | 76 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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