DEN to BTV flight delays & on-time performance
Nonstop flights from Denver International Airport to Patrick Leahy Burlington International Airport · 1,639 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or BTV right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Burlington (BTV) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0% were cancelled, and 2% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (83% on time); around 10am did worst (69%).
- Tuesday was the most reliable day to fly (83% on time) and Saturday the least (74%).
- The largest source of delay minutes was air traffic control & airport congestion (45%).
Which airline is most on time from DEN to BTV?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 78% | 0.0% | 9 min | 2.3% | 219 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am83%158 flights
- 10am69%58 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%0.0% cancelled
- Tuesday83%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday81%0.0% cancelled
- Friday75%0.0% cancelled
- Saturday74%0.0% cancelled
- Sunday74%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion45%
- Airline (crew, maintenance, cleaning, fueling)34%
- Late-arriving aircraft20%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
DEN to BTV: common questions
- How often are DEN to BTV flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Burlington cancelled?
- 0.0% of scheduled flights were cancelled (0 of 219).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 34 min behind schedule on average, and 2.3% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BTV to DEN — 66% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → BTV, nonstop flights by US airlines that report to the DOT. How we calculate this.