BUF to LGA flight delays & on-time performance
Nonstop flights from Buffalo Niagara International Airport to LaGuardia Airport · 292 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BUF or LGA 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 New York (LGA) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 4.8% were cancelled, and 9% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (85% on time); around 6pm did worst (62%).
- Saturday was the most reliable day to fly (88% on time) and Thursday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from BUF to LGA?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 78% | 4.8% | 18 min | 9.4% | 1,758 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am83%453 flights
- 7am85%125 flights
- 8am81%24 flights
- 10am85%112 flights
- 11am79%293 flights
- 1pm82%67 flights
- 2pm79%114 flights
- 3pm71%66 flights
- 4pm69%83 flights
- 5pm74%257 flights
- 6pm62%140 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%9.7% cancelled
- Tuesday78%4.5% cancelled
- Wednesday80%3.8% cancelled
- Thursday70%4.2% cancelled
- Friday82%2.9% cancelled
- Saturday88%2.3% cancelled
- Sunday75%5.6% 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 aircraft38%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion27%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather42%
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)24%
- Security0%
BUF to LGA: common questions
- How often are BUF to LGA flights on time?
- 78% 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 New York cancelled?
- 4.8% of scheduled flights were cancelled (85 of 1,758).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 80 min behind schedule on average, and 9.4% of flights were an hour or more late.
- How long is taxi time at BUF?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LGA to BUF — 76% 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 → LGA, nonstop flights by US airlines that report to the DOT. How we calculate this.