ON TIMEBOARD
BTV Burlington / ATL Atlanta

BTV → ATL on time

Patrick Leahy Burlington (Burlington, VT) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
83%
arrived < 15 min late
Cancelled
2.1%
391 flights
Typical arrival
−11 min
median vs schedule
When late
+84 min
average delay
Flights / day
1
1 airline

83% of flights from Burlington to Atlanta arrived on time over the past 12 months. That is better than the typical U.S. route. The 5 a.m. departures ran on time 84% of the time; the 6 a.m. ones 80%. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for BTV → ATL: when a flight was late, it was under 45 minutes late 57% of the time. About 1 in 28 flights landed an hour or more late, and 1 in 78 three hours or more; 2.0% were cancelled outright.

Share of all 391 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines39183%2.1%−11 min3.6%+84 minDelta Air Lines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at BTV). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 84% on time (243 flights)845a6 a.m. departures: 80% on time (114 flights)806a7 a.m. departures: too few flights (8 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights (2 flights)12p1 p.m. departures: too few flights (1 flights)1p2 p.m. departures: too few flights (23 flights)2p
BTV → ATL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: August (91%). Worst: July (85%).

40%70%100%Jan: too few flights (93 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (93 flights)MarApr: too few flights (94 flights)AprMay: too few flights (96 flights)MayJun: 89% on time (100 flights)89JunJul: 85% on time (105 flights)85JulAug: 91% on time (103 flights)91AugSep: too few flights (91 flights)SepOct: too few flights (93 flights)OctNov: too few flights (90 flights)NovDec: too few flights (93 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday56——
Tuesday53——
Wednesday53——
Thursday53——
Friday53——
Saturday69——
Sunday54——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 71%Air traffic & airport (NAS) 27%Severe weather 2%

Cancellations: airline 4 · weather 2 · air traffic/airport 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 13825:25 a.m.25585%2.8%−15 minDelta Air Lines

Questions

How often are flights from BTV to ATL on time?

83% of 391 scheduled flights from Burlington, VT to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 2.1% were cancelled.

What is the best time of day to fly BTV to ATL?

Flights scheduled to leave at 5 a.m. were the most reliable (84% on time). The 6 a.m. departures were the least (80%).

What month has the most delays from BTV to ATL?

July (85% on time). The best month is August (91%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.