Best Time to Fly BTV to DEN: On-Time Stats by Hour & Airline
Patrick Leahy Burlington International → Denver International
Data through July 2026 · Last updated October 18, 2026
219 flights were scheduled from Burlington (BTV) to Denver (DEN) in the last 12 months, and 66.2% of those that flew arrived on time, 11.4 points below the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
October has been the best month (88% on time) and Saturday the weakest day of the week (62%).
0.0% of flights were cancelled, versus 1.8% nationally.
BTV to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 66.2% | 87 min | 0.0% | 219 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BTV to DEN
On-time arrival % by scheduled departure hour (local time), 382 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 8am–9am | Limited data | 8 | |
| 2pm–3pm | 96.8% | 0.0% | 31 |
| 3pm–4pm | 64.1% | 0.9% | 342 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BTV to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 7 | ||
| Summer peak (Jun 15 - Aug 15) | 54.6% | -19.2 pts | 1.5% | 131 |
| All other days | 73.8% | — | 0.4% | 244 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).