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1,546 km · Domestic

Hartsfield Jackson Atlanta (ATL) – Patrick Leahy Burlington (BTV)

In July 2026, 77 flights operated between Hartsfield Jackson Atlanta and Patrick Leahy Burlington (both directions), and 68.8% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January6057▼ 5.0%
February5655▼ 1.8%
March60600.0%
April64640.0%
May6268▲ 9.7%
June6070▲ 16.7%
July6977▲ 11.6%
August71––
September62––
October62–in progress
November60––
December60––
Year to date (Jan–Jul)431451▲ 4.6%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January83.3%75.4%▼ 9.5%
February83.9%80.0%▼ 4.6%
March90.0%88.3%▼ 1.9%
April92.2%87.5%▼ 5.1%
May87.1%89.7%▲ 3.0%
June81.7%87.1%▲ 6.6%
July81.2%68.8%▼ 15.3%
August76.1%––
September93.5%––
October88.7%–in progress
November86.7%––
December76.7%––
Year-to-date average (Jan–Jul)85.6%82.4%▼ 3.8%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January25▲ 150.0%
February01–
March220.0%
April00–
May00–
June64▼ 33.3%
July110.0%
August1––
September0––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)1113▲ 18.2%

By direction

ATL → BTV

Scheduled flights
693
Flights operated
680
Cancelled
13 · 1.9%
On-time departures
80.7%

BTV → ATL

Scheduled flights
693
Flights operated
679
Cancelled
14 · 2.0%
On-time departures
89.0%

ATL → BTV and BTV → ATL counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Delta Air Lines DL 1,386 100.0% 84.8% 27

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay05:00–06:005.7min · 334 recorded · 325 measured
Gap to highest-delay hour4.8min05:00 ↔ 20:00
Recorded flights1,386ATL–BTV

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 87.4% · 334 recorded · 325 measured · Source: the US BTS 06:00 · 93.6% · 317 recorded · 313 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 7 recorded · 7 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 32 recorded · 31 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 31 recorded · 30 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 57 recorded · 57 measured · Source: the US BTS 20:00 · 82.9% · 250 recorded · 245 measured · Source: the US BTS 21:00 · 81.3% · 349 recorded · 342 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 5.7 min · 334 recorded · 325 measured · Source: the US BTS 06:00 · 9.6 min · 317 recorded · 313 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 7 recorded · 7 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 32 recorded · 31 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 31 recorded · 30 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 57 recorded · 57 measured · Source: the US BTS 20:00 · 10.5 min · 250 recorded · 245 measured · Source: the US BTS 21:00 · 6.2 min · 349 recorded · 342 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 334 · 334 recorded · 325 measured · Source: the US BTS 06:00 · 317 · 317 recorded · 313 measured · Source: the US BTS 07:00 · 7 · 7 recorded · 7 measured · Source: the US BTS 08:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 09:00 · 4 · 4 recorded · 4 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 32 · 32 recorded · 31 measured · Source: the US BTS 12:00 · 3 · 3 recorded · 3 measured · Source: the US BTS 13:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 14:00 · 31 · 31 recorded · 30 measured · Source: the US BTS 15:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · 57 · 57 recorded · 57 measured · Source: the US BTS 20:00 · 250 · 250 recorded · 245 measured · Source: the US BTS 21:00 · 349 · 349 recorded · 342 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:0087.4%5.7 min325334
06:0093.6%9.6 min313317
07:00Fewer than 200 measured departures—77
08:00No observations———
09:00Fewer than 200 measured departures—44
10:00No observations———
11:00Fewer than 200 measured departures—3132
12:00Fewer than 200 measured departures—33
13:00Fewer than 200 measured departures—11
14:00Fewer than 200 measured departures—3031
15:00Fewer than 200 measured departures—11
16:00No observations———
17:00No observations———
18:00No observations———
19:00Fewer than 200 measured departures—5757
20:0082.9%10.5 min245250
21:0081.3%6.2 min342349
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · Fewer than 200 measured departures · 194 recorded · 188 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 190 recorded · 189 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 190 recorded · 190 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 190 recorded · 188 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 190 recorded · 184 measured · Source: the US BTS Saturday · 80.0% · 240 recorded · 235 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 192 recorded · 185 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · Fewer than 200 measured departures · 194 recorded · 188 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 190 recorded · 189 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 190 recorded · 190 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 190 recorded · 188 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 190 recorded · 184 measured · Source: the US BTS Saturday · 14.0 min · 240 recorded · 235 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 192 recorded · 185 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 194 · 194 recorded · 188 measured · Source: the US BTS Tuesday · 190 · 190 recorded · 189 measured · Source: the US BTS Wednesday · 190 · 190 recorded · 190 measured · Source: the US BTS Thursday · 190 · 190 recorded · 188 measured · Source: the US BTS Friday · 190 · 190 recorded · 184 measured · Source: the US BTS Saturday · 240 · 240 recorded · 235 measured · Source: the US BTS Sunday · 192 · 192 recorded · 185 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—188194
TuesdayFewer than 200 measured departures—189190
WednesdayFewer than 200 measured departures—190190
ThursdayFewer than 200 measured departures—188190
FridayFewer than 200 measured departures—184190
Saturday80.0%14.0 min235240
SundayFewer than 200 measured departures—185192

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 124 · 124 recorded · 117 measured · Source: the US BTS Feb · 112 · 112 recorded · 111 measured · Source: the US BTS Mar · 124 · 124 recorded · 120 measured · Source: the US BTS Apr · 128 · 128 recorded · 128 measured · Source: the US BTS May · 130 · 130 recorded · 130 measured · Source: the US BTS Jun · 140 · 140 recorded · 130 measured · Source: the US BTS Jul · 148 · 148 recorded · 146 measured · Source: the US BTS Aug · 72 · 72 recorded · 71 measured · Source: the US BTS Sep · 62 · 62 recorded · 62 measured · Source: the US BTS Oct · 102 · 102 recorded · 102 measured · Source: the US BTS Nov · 120 · 120 recorded · 120 measured · Source: the US BTS Dec · 124 · 124 recorded · 122 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—117124
FebFewer than 200 measured departures—111112
MarFewer than 200 measured departures—120124
AprFewer than 200 measured departures—128128
MayFewer than 200 measured departures—130130
JunFewer than 200 measured departures—130140
JulFewer than 200 measured departures—146148
AugFewer than 200 measured departures—7172
SepFewer than 200 measured departures—6262
OctFewer than 200 measured departures—102102
NovFewer than 200 measured departures—120120
DecFewer than 200 measured departures—122124

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 83.2% 1,153
  • Delayed >15 min 14.9% 206
  • Cancelled 1.9% 27
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

4
Flight numbersBy direction DeparturesOn time
DL1027 ATL → BTV 657 81.1%
DL1382 BTV → ATL 463 90.1%
DL2033 BTV → ATL 115 92.9%
DL2450 BTV → ATL 80 89.9%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 77 +11.6% 1 68.8%
June 2026 70 +16.7% 4 87.1%
May 2026 68 +9.7% 0 89.7%
April 2026 64 +0.0% 0 87.5%
March 2026 60 +0.0% 2 88.3%
February 2026 55 −1.8% 1 80.0%
January 2026 57 −5.0% 5 75.4%
December 2025 60 −3.2% 2 76.7%
November 2025 60 +0.0% 0 86.7%
October 2025 62 +55.0% 0 88.7%
September 2025 62 0 93.5%
August 2025 71 1 76.1%
July 2025 69 1 81.2%
June 2025 60 6 81.7%
May 2025 62 0 87.1%
April 2025 64 0 92.2%
March 2025 60 2 90.0%
February 2025 56 0 83.9%
January 2025 60 2 83.3%
December 2024 62 0 83.9%
November 2024 60 0 96.7%
October 2024 40 0 95.0%

How to read this chart

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