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3,196 km · Domestic

Boston Logan (BOS) – Bozeman Yellowstone (BZN)

In July 2026, 75 flights operated between Boston Logan and Bozeman Yellowstone (both directions), and 64.0% 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 periods14 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January1624▲ 50.0%
February3047▲ 56.7%
March6475▲ 17.2%
April–––
May6––
June5854▼ 6.9%
July7875▼ 3.8%
August81––
September8––
October––in progress
November–––
December30––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods14 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January75.0%70.8%▼ 5.6%
February56.7%61.7%▲ 8.8%
March82.8%74.7%▼ 9.8%
April–––
May100.0%––
June77.6%75.9%▼ 2.2%
July70.5%64.0%▼ 9.2%
August84.0%––
September87.5%––
October––in progress
November–––
December43.3%––

Cancelled flights by month

The most recent periods14 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January02–
February03–
March03–
April–––
May0––
June00–
July07–
August1––
September0––
October––in progress
November–––
December4––

Airlines on this route

  1. JetBlue Airways 69.5%
  2. Delta Air Lines 30.5%

Dec 1, 2024 – Jul 31, 2026

By direction

BOS → BZN

Scheduled flights
348
Flights operated
337
Cancelled
11 · 3.2%
On-time departures
82.2%

BZN → BOS

Scheduled flights
348
Flights operated
339
Cancelled
9 · 2.6%
On-time departures
61.1%

BOS → BZN and BZN → BOS counted separately.

Airlines on this route

Dec 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
JetBlue Airways B6 484 69.5% 72.1% 14
Delta Air Lines DL 212 30.5% 70.4% 6

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 · Dec 20, 2024 → Jul 31, 2026

Recorded flights696BOS–BZN

Departure hour

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 · 162 · 162 recorded · 158 measured · Source: the US BTS 08:00 · 85 · 85 recorded · 81 measured · Source: the US BTS 09:00 · 24 · 24 recorded · 23 measured · Source: the US BTS 10:00 · 53 · 53 recorded · 51 measured · Source: the US BTS 11:00 · 162 · 162 recorded · 159 measured · Source: the US BTS 12:00 · 96 · 96 recorded · 93 measured · Source: the US BTS 13:00 · 52 · 52 recorded · 51 measured · Source: the US BTS 14:00 · 38 · 38 recorded · 36 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · 24 · 24 recorded · 24 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.

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
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———
07:00Fewer than 200 measured departures—158162
08:00Fewer than 200 measured departures—8185
09:00Fewer than 200 measured departures—2324
10:00Fewer than 200 measured departures—5153
11:00Fewer than 200 measured departures—159162
12:00Fewer than 200 measured departures—9396
13:00Fewer than 200 measured departures—5152
14:00Fewer than 200 measured departures—3638
15:00No observations———
16:00Fewer than 200 measured departures—2424
17:00No observations———
18:00No observations———
19:00No observations———
20:00No observations———
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 84 · 84 recorded · 81 measured · Source: the US BTS Tuesday · 54 · 54 recorded · 51 measured · Source: the US BTS Wednesday · 70 · 70 recorded · 68 measured · Source: the US BTS Thursday · 60 · 60 recorded · 57 measured · Source: the US BTS Friday · 90 · 90 recorded · 88 measured · Source: the US BTS Saturday · 172 · 172 recorded · 171 measured · Source: the US BTS Sunday · 166 · 166 recorded · 160 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
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—8184
TuesdayFewer than 200 measured departures—5154
WednesdayFewer than 200 measured departures—6870
ThursdayFewer than 200 measured departures—5760
FridayFewer than 200 measured departures—8890
SaturdayFewer than 200 measured departures—171172
SundayFewer than 200 measured departures—160166

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 · 42 · 42 recorded · 40 measured · Source: the US BTS Feb · 80 · 80 recorded · 77 measured · Source: the US BTS Mar · 142 · 142 recorded · 139 measured · Source: the US BTS Apr · No observations · 0 recorded · 0 measured · Source: the US BTS May · 6 · 6 recorded · 6 measured · Source: the US BTS Jun · 112 · 112 recorded · 112 measured · Source: the US BTS Jul · 160 · 160 recorded · 153 measured · Source: the US BTS Aug · 82 · 82 recorded · 81 measured · Source: the US BTS Sep · 8 · 8 recorded · 8 measured · Source: the US BTS Oct · No observations · 0 recorded · 0 measured · Source: the US BTS Nov · No observations · 0 recorded · 0 measured · Source: the US BTS Dec · 64 · 64 recorded · 60 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—4042
FebFewer than 200 measured departures—7780
MarFewer than 200 measured departures—139142
AprNo observations———
MayFewer than 200 measured departures—66
JunFewer than 200 measured departures—112112
JulFewer than 200 measured departures—153160
AugFewer than 200 measured departures—8182
SepFewer than 200 measured departures—88
OctNo observations———
NovNo observations———
DecFewer than 200 measured departures—6064

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 69.5% 484
  • Delayed >15 min 27.6% 192
  • Cancelled 2.9% 20
  • 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
B66256 BZN → BOS 242 59.8%
B66257 BOS → BZN 242 84.6%
DL2153 BZN → BOS 53 73.6%
DL2153 BOS → BZN 41 78.1%

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 75 −3.8% 7 64.0%
June 2026 54 −6.9% 0 75.9%
March 2026 75 +17.2% 3 74.7%
February 2026 47 +56.7% 3 61.7%
January 2026 24 +50.0% 2 70.8%
December 2025 30 +0.0% 4 43.3%
September 2025 8 0 87.5%
August 2025 81 1 84.0%
July 2025 78 0 70.5%
June 2025 58 0 77.6%
May 2025 6 0 100.0%
March 2025 64 0 82.8%
February 2025 30 0 56.7%
January 2025 16 0 75.0%
December 2024 30 0 56.7%

How to read this chart

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