BUF to DAL flight delays & on-time performance
Nonstop flights from Buffalo Niagara International Airport to Dallas Love Field · 1,206 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BUF or DAL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Buffalo (BUF) to Dallas (DAL) arrived on time 47% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.7% were cancelled, and 8% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Sunday was the most reliable day to fly (46% on time) and Saturday the least (43%).
- The largest source of delay minutes was late-arriving aircraft (68%).
Which airline is most on time from BUF to DAL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 47% | 2.7% | 23 min | 8.3% | 37 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm70%10 flights
- 3pm47%20 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday0%33.3% cancelled
- Tuesday100%0.0% cancelled
- Wednesday100%0.0% cancelled
- Friday33%0.0% cancelled
- Saturday43%0.0% cancelled
- Sunday46%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft68%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion11%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
BUF to DAL: common questions
- How often are BUF to DAL flights on time?
- 47% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Buffalo to Dallas cancelled?
- 2.7% of scheduled flights were cancelled (1 of 37).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 43 min behind schedule on average, and 8.3% of flights were an hour or more late.
- How long is taxi time at BUF?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DAL to BUF — 81% on time
More flights from Buffalo
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BUF → DAL, nonstop flights by US airlines that report to the DOT. How we calculate this.