BUF to CLT flight delays & on-time performance
Nonstop flights from Buffalo Niagara International Airport to Charlotte Douglas International Airport · 546 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BUF or CLT 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 Charlotte (CLT) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.7% were cancelled, and 8% arrived an hour or more late.
- Departures scheduled around 6am did best (90% on time); around 7pm did worst (65%).
- Wednesday was the most reliable day to fly (89% on time) and Monday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (48%).
Which airline is most on time from BUF to CLT?
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 | 100% | 0.0% | 0 min | 0.0% | 1 |
| American Airlines | 79% | 1.7% | 21 min | 8.1% | 1,164 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am90%259 flights
- 7am86%94 flights
- 11am84%67 flights
- 12pm76%55 flights
- 1pm81%267 flights
- 2pm75%16 flights
- 3pm44%16 flights
- 6pm75%124 flights
- 7pm65%238 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%2.4% cancelled
- Tuesday85%1.8% cancelled
- Wednesday89%1.3% cancelled
- Thursday76%0.6% cancelled
- Friday80%0.6% cancelled
- Saturday81%2.9% cancelled
- Sunday72%2.4% 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 aircraft48%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion12%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Airline (crew, maintenance, cleaning, fueling)15%
- Air traffic control & airport congestion0%
- Security0%
BUF to CLT: common questions
- How often are BUF to CLT flights on time?
- 79% 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 Charlotte cancelled?
- 1.7% of scheduled flights were cancelled (20 of 1,165).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 93 min behind schedule on average, and 8.1% of flights were an hour or more late.
- How long is taxi time at BUF?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CLT to BUF — 73% 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 → CLT, nonstop flights by US airlines that report to the DOT. How we calculate this.