Burlington (BTV) to Denver (DEN) flights
United Airlines flies nonstop from Patrick Leahy Burlington International Airport to Denver International Airport, with about 7 flights a week in July 2026. The 1,639-mile flight takes about 4h 20m gate to gate.
- Distance
- 1,639 mi · 2,638 km
- Flight time
- 4h 20m
- Airlines
- 1
- Seats filled
- 89%
Airlines flying BTV to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 737-800, Airbus A320-100/200, Boeing 737 MAX 8 | 31,445 | 4h 20m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BTV to DEN flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 3:28pm and the last at 4:07pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 517United Airlines | 3:28pm | 5:45pm | 10 | 63% |
| UA 391United Airlines | 4:07pm | 6:21pm | 21 | 40% |
Is BTV to DEN on time?
From September 2025 to August 2026, 63% of 216 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 3pm were the most punctual (66%), those around 4pm the least (40%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 216 | 63% | 32 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 4,696 | |
| September 2025 | 30 | 4,552 | |
| October 2025 | 31 | 4,832 | |
| November 2025 | 30 | 4,076 | |
| December 2025 | 1 | 150 | |
| April 2026 | 1 | 151 | |
| May 2026 | 29 | 3,906 | |
| June 2026 | 29 | 4,330 | |
| July 2026 | 31 | 4,752 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.