Buffalo→JacksonvilleNonstop Flight TimeBUF–JAX

Buffalo (Buffalo Niagara International Airport) to Jacksonville (Jacksonville International Airport).

Direct flights from BUF to JAX have an estimated flight time of about 2h 23m, based on the 875-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with American Airlines appearing most often in that sample. Captured departure times run from 23:05 to 23:05 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for BUF to JAX, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.