BWI to DEN: Distance and Flight Time

How far is it from Baltimore to Denver?

The great-circle distance between Baltimore/Washington International Thurgood Marshall Airport (BWI) and Denver International Airport (DEN) is 2,394 km (1,487 mi, 1,292 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 BWI to DEN?

A nonstop flight typically takes about 3h 30m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. DEN is roughly west of BWI.

How is the BWI to DEN route written in code?

The pair is written BWI-DEN in IATA codes and KBWI-KDEN in ICAO codes, the form used on a flight plan. Baltimore/Washington International Thurgood Marshall Airport is BWI (KBWI), Denver International Airport is DEN (KDEN).

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.

DEN sits 5,285 ft (1,611 m) higher than BWI, which is a real difference in air density on takeoff.

Airlines flying BWI to DEN

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:

A further 1 carrier sell this pair as a codeshare without operating it: FL.

Route and carrier data comes from the OpenFlights open dataset, regenerated here on 3 July 2026. 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

Related routes

Other routes from Baltimore (BWI):

Other routes from Denver (DEN):

BWI airport code · DEN airport code · Busiest airports worldwide