Boston Logan (BOS)

BOS / KBOS

Official · May 2026

3,767,296

Boston Logan International Airport handled 3,767,296 passengers in May 2026, down 2.0% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics.

Full count · domestic + international Flight timing & delays ↓

Passengers over time

Showing 53 months. Full series runs 1990–2026 (437 periods).

Drag across the chart to zoom into a period.

January 2022 February 2023 March 2024 April 2025 May 2026

Domestic / International

May 2026

Domestic 78.6% 2,960,711
International 21.4% 806,585

Against 2019 -0.8% same month, before the pandemic

International share 21% of passengers in May 2026

Series depth 36 years from 1990

The most recent periods

Open any period for the full breakdown.

24 of 24

Period	Passengers	Year on year	Source
May 2026	3,767,296	−2.0%	US Bureau of Transportation Statistics	Open this month →
April 2026	3,662,996	+0.5%	US Bureau of Transportation Statistics	Open this month →
March 2026	3,449,778	−1.0%	US Bureau of Transportation Statistics	Open this month →
February 2026	2,612,573	−3.8%	US Bureau of Transportation Statistics	Open this month →
January 2026	2,670,201	−4.2%	US Bureau of Transportation Statistics	Open this month →
December 2025	3,256,352	−4.4%	US Bureau of Transportation Statistics	Open this month →
November 2025	3,141,453	−4.7%	US Bureau of Transportation Statistics	Open this month →
October 2025	3,869,310	−2.3%	US Bureau of Transportation Statistics	Open this month →
September 2025	3,496,878	−4.5%	US Bureau of Transportation Statistics	Open this month →
August 2025	4,058,021	−2.7%	US Bureau of Transportation Statistics	Open this month →
July 2025	4,081,052	−0.9%	US Bureau of Transportation Statistics	Open this month →
June 2025	3,881,993	−1.0%	US Bureau of Transportation Statistics	Open this month →
May 2025	3,845,585	−1.0%	US Bureau of Transportation Statistics	Open this month →
April 2025	3,644,761	+3.5%	US Bureau of Transportation Statistics	Open this month →
March 2025	3,483,086	+2.4%	US Bureau of Transportation Statistics	Open this month →
February 2025	2,715,126	+0.2%	US Bureau of Transportation Statistics	Open this month →
January 2025	2,787,050	+6.4%	US Bureau of Transportation Statistics	Open this month →
December 2024	3,407,310	+11.6%	US Bureau of Transportation Statistics	Open this month →
November 2024	3,296,818	+2.7%	US Bureau of Transportation Statistics	Open this month →
October 2024	3,959,262	+5.8%	US Bureau of Transportation Statistics	Open this month →
September 2024	3,662,177	+6.9%	US Bureau of Transportation Statistics	Open this month →
August 2024	4,171,864	+9.2%	US Bureau of Transportation Statistics
July 2024	4,117,694	+9.4%	US Bureau of Transportation Statistics
June 2024	3,920,321	+6.6%	US Bureau of Transportation Statistics

Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).

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.

US domestic sectors recorded by BTS

Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30

Lowest average delay06:00–07:000.8min · 20,985 recorded · 20,588 measured

Gap to highest-delay hour27.6min06:00 ↔ 20:00

Recorded flights262,619Boston Logan International Airport

Departure hour

On-time departures

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

Average departure delay

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

Recorded flights

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View the figures

Departure hour	On-time departures	Average departure delay	With departure time	Recorded flights
00:00	No observations	—	—	—
01:00	No observations	—	—	—
02:00	No observations	—	—	—
03:00	No observations	—	—	—
04:00	Fewer than 200 measured departures	—	1	1
05:00	93.8%	1.2 min	8,578	8,739
06:00	93.0%	0.8 min	20,588	20,985
07:00	90.5%	3.0 min	25,019	25,445
08:00	88.7%	4.8 min	20,778	21,094
09:00	87.9%	6.0 min	17,428	17,673
10:00	85.2%	7.9 min	15,057	15,277
11:00	83.7%	9.4 min	14,952	15,179
12:00	80.5%	11.3 min	13,245	13,451
13:00	80.6%	11.8 min	12,045	12,224
14:00	78.8%	12.1 min	12,133	12,338
15:00	73.3%	17.0 min	16,706	17,005
16:00	69.1%	20.8 min	15,735	16,086
17:00	68.4%	22.2 min	17,376	17,827
18:00	66.0%	24.5 min	15,869	16,246
19:00	64.3%	26.7 min	14,650	15,094
20:00	60.7%	28.4 min	13,179	13,521
21:00	61.6%	24.7 min	3,815	3,946
22:00	68.1%	19.7 min	464	481
23:00	Fewer than 200 measured departures	—	7	7

Day of week

On-time departures

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Average departure delay

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Recorded flights

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View the figures

Day of week	On-time departures	Average departure delay	With departure time	Recorded flights
Monday	77.6%	14.4 min	38,718	40,106
Tuesday	83.2%	8.8 min	36,296	36,949
Wednesday	83.5%	8.3 min	36,024	36,486
Thursday	77.5%	14.7 min	38,450	39,014
Friday	77.4%	14.2 min	38,863	39,362
Saturday	80.8%	11.3 min	31,253	31,626
Sunday	76.2%	16.2 min	38,021	39,076

Month of year

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

On-time departures

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

Average departure delay

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

Recorded flights

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View the figures

Month of year	On-time departures	Average departure delay	With departure time	Recorded flights
Jan	82.1%	10.5 min	19,898	20,922
Feb	77.6%	15.3 min	19,428	20,524
Mar	79.5%	12.5 min	24,252	24,660
Apr	81.9%	9.1 min	24,960	25,039
May	79.5%	11.6 min	25,062	25,241
Jun	77.2%	15.0 min	24,670	25,055
Jul	72.7%	21.4 min	12,386	12,912
Aug	80.7%	10.7 min	12,337	12,461
Sep	79.6%	12.1 min	23,751	23,956
Oct	80.0%	11.8 min	25,392	25,682
Nov	83.5%	8.8 min	22,819	23,141
Dec	75.3%	16.7 min	22,670	23,026

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 77.8% 204,397
Delayed >15 min 20.3% 53,228
Cancelled 1.9% 4,994
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 punctuality and average delay.

Flights touching Brazil reported to ANAC · partial coverage

Source: ANAC Brazil VRA · 2024-09-02 → 2026-07-31

Lowest average delay09:00–10:0020.8min · 239 recorded · 238 measured

Recorded flights340Boston Logan International Airport

Departure hour

On-time departures

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

Average departure delay

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

Recorded flights

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

View the figures

Departure hour	On-time departures	Average departure delay	With departure time	Recorded flights
00:00	No observations	—	—	—
01:00	No observations	—	—	—
02:00	No observations	—	—	—
03:00	No observations	—	—	—
04:00	No observations	—	—	—
05:00	No observations	—	—	—
06:00	No observations	—	—	—
07:00	No observations	—	—	—
08:00	Fewer than 200 measured departures	—	49	54
09:00	62.6%	20.8 min	238	239
10:00	Fewer than 200 measured departures	—	46	47
11:00	No observations	—	—	—
12:00	No observations	—	—	—
13:00	No observations	—	—	—
14:00	No observations	—	—	—
15:00	No observations	—	—	—
16:00	No observations	—	—	—
17:00	No observations	—	—	—
18:00	No observations	—	—	—
19:00	No observations	—	—	—
20:00	No observations	—	—	—
21:00	No observations	—	—	—
22:00	No observations	—	—	—
23:00	No observations	—	—	—

Day of week

Recorded flights

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 week	On-time departures	Average departure delay	With departure time	Recorded flights
Monday	Fewer than 200 measured departures	—	86	90
Tuesday	Fewer than 200 measured departures	—	2	2
Wednesday	Fewer than 200 measured departures	—	18	18
Thursday	Fewer than 200 measured departures	—	92	92
Friday	Fewer than 200 measured departures	—	59	62
Saturday	Fewer than 200 measured departures	—	31	31
Sunday	Fewer than 200 measured departures	—	45	45

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

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 year	On-time departures	Average departure delay	With departure time	Recorded flights
Jan	Fewer than 200 measured departures	—	27	29
Feb	Fewer than 200 measured departures	—	22	24
Mar	Fewer than 200 measured departures	—	25	26
Apr	Fewer than 200 measured departures	—	29	29
May	Fewer than 200 measured departures	—	31	31
Jun	Fewer than 200 measured departures	—	35	35
Jul	Fewer than 200 measured departures	—	35	35
Aug	Fewer than 200 measured departures	—	18	18
Sep	Fewer than 200 measured departures	—	30	31
Oct	Fewer than 200 measured departures	—	31	31
Nov	Fewer than 200 measured departures	—	25	25
Dec	Fewer than 200 measured departures	—	25	26

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 51.8% 176
Delayed >15 min 46.2% 157
Cancelled 2.1% 7
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 punctuality and average delay.

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