The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Patrick Leahy Burlington International ⇄ Denver International BTV–DEN

Airlines flew 432 flights between Patrick Leahy Burlington International BTV in Burlington, VT and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 64,291 passengers in 72,379 seats, 89% of them filled, and 757 pounds of freight. 1,639 miles, about 228 minutes in the air, on 1 airline: United Air Lines Inc. (432). Planning to fly it yourself? The weather and winds along this route right now.

432
flights, twelve months
BTV-DEN: 213 · DEN-BTV: 219
64,291
passengers
89% of seats filled
1,639
miles
about 228 minutes airborne
1
airline
6 aircraft types

Flights by month both directions

0163249655/258/2511/255/26627/26
By month, as a table
flights
5/2520
6/2556
7/2565
8/2565
9/2560
10/2562
11/2560
12/252
4/262
5/2660
6/2659
7/2662

Passengers by month

02,5745,1497,72410,2985/258/2511/255/269,4017/26
By month, as a table
passengers
5/252,346
6/257,123
7/259,960
8/2510,298
9/259,333
10/259,512
11/258,005
12/25315
4/26315
5/268,171
6/268,941
7/269,401

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA43264,29189%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-80030616644,611
Boeing B737 Max 900601799,749
Boeing 737-900ER271794,361
Airbus Industrie A320-100/200191502,620
Boeing B737 Max 800161662,459
Airbus Industrie A3194126491

BTV → DEN this direction alone · flown May 2025 to July 2026

213 flights of 219 scheduled, 31,445 passengers in 35,151 seats, 89 pounds of freight. United Air Lines Inc. 213.

DEN → BTV this direction alone · flown May 2025 to July 2026

219 flights of 219 scheduled, 32,846 passengers in 37,228 seats, 668 pounds of freight. United Air Lines Inc. 219.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Patrick Leahy Burlington International BTV and Denver International DEN; all routes.