Best Time to Fly BTV to ATL: On-Time Stats by Hour & Airline
Patrick Leahy Burlington International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.2% of Burlington (BTV) to Atlanta (ATL) flights arrived on time (391 scheduled flights). That is 7.6 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Thursday was the most reliable day (92% on time) and December the worst month (52%).
The cancellation rate was 2.3% (US average 1.8%).
BTV to ATL 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 | 85.2% | 82 min | 2.3% | 391 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BTV to ATL
On-time arrival % by scheduled departure hour (local time), 765 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 84.0% | 2.7% | 334 |
| 6am–7am | 87.4% | 1.3% | 389 |
| 7am–8am | Limited data | 7 | |
| 12pm–1pm | Limited data | 3 | |
| 1pm–2pm | Limited data | 1 | |
| 2pm–3pm | Limited data | 31 | |
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 ATL
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) | 46.7% | -40.2 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 90.6% | +3.7 pts | 4.1% | 145 |
| All other days | 86.9% | — | 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).