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2,636 km · Domestic

Hartsfield Jackson Atlanta (ATL) – Bozeman Yellowstone (BZN)

In July 2026, 84 flights operated between Hartsfield Jackson Atlanta and Bozeman Yellowstone (both directions), and 82.1% 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
January8078▼ 2.5%
February7172▲ 1.4%
March8176▼ 6.2%
April5860▲ 3.4%
May6270▲ 12.9%
June7080▲ 14.3%
July7884▲ 7.7%
August66––
September60––
October62–in progress
November56––
December82––
Year to date (Jan–Jul)500520▲ 4.0%

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
January76.3%87.2%▲ 14.3%
February83.1%86.1%▲ 3.6%
March80.2%88.2%▲ 10.0%
April89.7%80.0%▼ 10.8%
May83.9%80.0%▼ 4.6%
June74.3%88.8%▲ 19.5%
July89.7%82.1%▼ 8.5%
August80.3%––
September95.0%––
October87.1%–in progress
November92.9%––
December79.3%––
Year-to-date average (Jan–Jul)82.5%84.6%▲ 2.6%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January26▲ 200.0%
February10▼ 100.0%
March14▲ 300.0%
April20▼ 100.0%
May00–
June00–
July00–
August0––
September0––
October0–in progress
November2––
December0––
Year to date (Jan–Jul)610▲ 66.7%

By direction

ATL → BZN

Scheduled flights
754
Flights operated
746
Cancelled
8 · 1.1%
On-time departures
87.3%

BZN → ATL

Scheduled flights
754
Flights operated
743
Cancelled
11 · 1.5%
On-time departures
81.0%

ATL → BZN and BZN → ATL counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Delta Air Lines DL 1,508 100.0% 84.2% 19

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 delay11:00–12:005.7min · 660 recorded · 654 measured
Gap to highest-delay hour7.9min11:00 ↔ 14:00
Recorded flights1,508ATL–BZN

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 37 recorded · 37 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 79 recorded · 76 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 87.0% · 660 recorded · 654 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 94 recorded · 91 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · 83.7% · 511 recorded · 508 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 127 recorded · 123 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 37 recorded · 37 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 79 recorded · 76 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 5.7 min · 660 recorded · 654 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 94 recorded · 91 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · 13.7 min · 511 recorded · 508 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 127 recorded · 123 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 37 · 37 recorded · 37 measured · Source: the US BTS 09:00 · 79 · 79 recorded · 76 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 660 · 660 recorded · 654 measured · Source: the US BTS 12:00 · 94 · 94 recorded · 91 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · 511 · 511 recorded · 508 measured · Source: the US BTS 15:00 · 127 · 127 recorded · 123 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 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———
05:00No observations———
06:00No observations———
07:00No observations———
08:00Fewer than 200 measured departures—3737
09:00Fewer than 200 measured departures—7679
10:00No observations———
11:0087.0%5.7 min654660
12:00Fewer than 200 measured departures—9194
13:00No observations———
14:0083.7%13.7 min508511
15:00Fewer than 200 measured departures—123127
16:00No observations———
17:00No observations———
18:00No observations———
19:00No observations———
20:00No observations———
21:00No observations———
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 · 85.1% · 204 recorded · 201 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 182 recorded · 182 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 180 recorded · 180 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 192 recorded · 191 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 198 recorded · 196 measured · Source: the US BTS Saturday · 83.3% · 284 recorded · 275 measured · Source: the US BTS Sunday · 76.5% · 268 recorded · 264 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 · 8.1 min · 204 recorded · 201 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 182 recorded · 182 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 180 recorded · 180 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 192 recorded · 191 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 198 recorded · 196 measured · Source: the US BTS Saturday · 13.5 min · 284 recorded · 275 measured · Source: the US BTS Sunday · 21.1 min · 268 recorded · 264 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 · 204 · 204 recorded · 201 measured · Source: the US BTS Tuesday · 182 · 182 recorded · 182 measured · Source: the US BTS Wednesday · 180 · 180 recorded · 180 measured · Source: the US BTS Thursday · 192 · 192 recorded · 191 measured · Source: the US BTS Friday · 198 · 198 recorded · 196 measured · Source: the US BTS Saturday · 284 · 284 recorded · 275 measured · Source: the US BTS Sunday · 268 · 268 recorded · 264 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
Monday85.1%8.1 min201204
TuesdayFewer than 200 measured departures—182182
WednesdayFewer than 200 measured departures—180180
ThursdayFewer than 200 measured departures—191192
FridayFewer than 200 measured departures—196198
Saturday83.3%13.5 min275284
Sunday76.5%21.1 min264268

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 · 166 · 166 recorded · 158 measured · Source: the US BTS Feb · 144 · 144 recorded · 143 measured · Source: the US BTS Mar · 162 · 162 recorded · 157 measured · Source: the US BTS Apr · 120 · 120 recorded · 118 measured · Source: the US BTS May · 132 · 132 recorded · 132 measured · Source: the US BTS Jun · 150 · 150 recorded · 150 measured · Source: the US BTS Jul · 162 · 162 recorded · 162 measured · Source: the US BTS Aug · 66 · 66 recorded · 66 measured · Source: the US BTS Sep · 60 · 60 recorded · 60 measured · Source: the US BTS Oct · 88 · 88 recorded · 88 measured · Source: the US BTS Nov · 104 · 104 recorded · 102 measured · Source: the US BTS Dec · 154 · 154 recorded · 153 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—158166
FebFewer than 200 measured departures—143144
MarFewer than 200 measured departures—157162
AprFewer than 200 measured departures—118120
MayFewer than 200 measured departures—132132
JunFewer than 200 measured departures—150150
JulFewer than 200 measured departures—162162
AugFewer than 200 measured departures—6666
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—8888
NovFewer than 200 measured departures—102104
DecFewer than 200 measured departures—153154

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 83.1% 1,253
  • Delayed >15 min 15.6% 236
  • Cancelled 1.3% 19
  • 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
DL406 ATL → BZN 637 87.0%
DL406 BZN → ATL 637 81.8%
DL353 ATL → BZN 30 86.7%
DL353 BZN → ATL 30 63.3%

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 84 +7.7% 0 82.1%
June 2026 80 +14.3% 0 88.8%
May 2026 70 +12.9% 0 80.0%
April 2026 60 +3.4% 0 80.0%
March 2026 76 −6.2% 4 88.2%
February 2026 72 +1.4% 0 86.1%
January 2026 78 −2.5% 6 87.2%
December 2025 82 +15.5% 0 79.3%
November 2025 56 +21.7% 2 92.9%
October 2025 62 +138.5% 0 87.1%
September 2025 60 0 95.0%
August 2025 66 0 80.3%
July 2025 78 0 89.7%
June 2025 70 0 74.3%
May 2025 62 0 83.9%
April 2025 58 2 89.7%
March 2025 81 1 80.2%
February 2025 71 1 83.1%
January 2025 80 2 76.3%
December 2024 71 1 78.9%
November 2024 46 0 87.0%
October 2024 26 0 92.3%

How to read this chart

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