Best Time to Fly ATL to BTV: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Patrick Leahy Burlington International
Data through July 2026 · Last updated October 18, 2026
391 flights were scheduled from Atlanta (ATL) to Burlington (BTV) in the last 12 months, and 75.6% of those that flew arrived on time, 2.0 points below the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
September has been the best month (89% on time) and Friday the weakest day of the week (62%).
1.8% of flights were cancelled, versus 1.8% nationally.
ATL to BTV 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 |
|---|---|---|---|---|
| Delta Air Lines | 75.6% | 47 min | 1.8% | 391 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to BTV
On-time arrival % by scheduled departure hour (local time), 765 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 4 | |
| 11am–12pm | 83.9% | 3.1% | 32 |
| 3pm–4pm | Limited data | 1 | |
| 7pm–8pm | 73.2% | 0.0% | 57 |
| 8pm–9pm | 80.1% | 1.8% | 283 |
| 9pm–10pm | 73.7% | 1.8% | 388 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to BTV
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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 66.9% | -11.4 pts | 2.8% | 145 |
| All other days | 78.3% | — | 1.6% | 576 |
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).