BUF to ORD: Distance and Flight Time
The distance from Buffalo Niagara International Airport (BUF) to Chicago O'Hare International Airport (ORD) is 760 km (472 mi). A typical nonstop flight covers it in about 1h 25m, heading west. The distance is the same in either direction (ORD to BUF).
How far is it from Buffalo to Chicago?
The great-circle distance between Buffalo Niagara International Airport (BUF) and Chicago O'Hare International Airport (ORD) is 760 km (472 mi, 410 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from BUF to ORD?
A nonstop flight typically takes about 1h 25m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. ORD is roughly west of BUF.
How is the BUF to ORD route written in code?
The pair is written BUF-ORD in IATA codes and KBUF-KORD in ICAO codes, the form used on a flight plan. Buffalo Niagara International Airport is BUF (KBUF), Chicago O'Hare International Airport is ORD (KORD).
| BUF | ORD | |
|---|---|---|
| Airport | Buffalo Niagara International Airport | Chicago O'Hare International Airport |
| ICAO code | KBUF | KORD |
| Country | United States | United States |
| Elevation | 728 ft | 680 ft |
| Rank by connections | #406 | #2 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
The two fields sit at almost the same height, within 48 ft (15 m) of each other.
Airlines flying BUF to ORD
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| UA | United Airlines | UAL | United | Active |
| US | US Airways | USA | U S Air | Active |
A further 1 carrier sell this pair as a codeshare without operating it: AA.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Buffalo from Chicago?
Buffalo Niagara International Airport (BUF) and Chicago O'Hare International Airport (ORD) are 760 km (472 mi, 410 nautical miles) apart in a straight line.
How long is the flight from BUF to ORD?
A typical nonstop flight between BUF and ORD takes about 1h 25m. Actual times vary with aircraft type, winds and routing.
What direction is ORD from BUF?
Chicago O'Hare International Airport (ORD) lies roughly west of Buffalo Niagara International Airport (BUF).
Which airlines fly BUF to ORD?
2 airlines appear on the BUF-ORD route in the open dataset, including United Airlines, US Airways.
Related routes
Other routes from Buffalo (BUF):
Other routes from Chicago (ORD):
BUF airport code · ORD airport code · Busiest airports worldwide