ON TIMEBOARD
ATL Atlanta / BTV Burlington

ATL → BTV on time

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

On time
76%
arrived < 15 min late
Cancelled
1.8%
391 flights
Typical arrival
−4 min
median vs schedule
When late
+47 min
average delay
Flights / day
1
1 airline

76% of flights from Atlanta to Burlington arrived on time over the past 12 months. That is worse than the typical U.S. route. The 8 p.m. departures ran on time 82% of the time; the 9 p.m. ones 71%. 8% 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 ATL → BTV: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 20 flights landed an hour or more late; 1.8% 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 Lines39176%1.8%−4 min5.1%+47 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 ATL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%11 a.m. departures: too few flights (24 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (21 flights)7p8 p.m. departures: 82% on time (136 flights)828p9 p.m. departures: 71% on time (207 flights)719p
ATL → BTV, 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 (76%). Worst: July (54%).

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: 72% on time (100 flights)72JunJul: 54% on time (105 flights)54JulAug: 76% on time (103 flights)76AugSep: 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) 40%Late inbound plane 31%Air traffic & airport (NAS) 26%Severe weather 3%

Cancellations: airline 3 · 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 10278:10 p.m.36475%1.9%−4 minDelta Air Lines

Questions

How often are flights from ATL to BTV on time?

76% of 391 scheduled flights from Atlanta, GA to Burlington, VT arrived within 15 minutes of schedule between September 2025 and August 2026. 1.8% were cancelled.

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

Flights scheduled to leave at 8 p.m. were the most reliable (82% on time). The 9 p.m. departures were the least (71%).

What month has the most delays from ATL to BTV?

July (54% on time). The best month is August (76%), 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.