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HomeMarylandBWI TSA wait times

Typical history

Baltimore/Washington International Thurgood Marshall Airport TSA wait times

BWI · KBWI · Baltimore, Maryland

Security wait

A live wait is shown in this space when the stored feed is under 15 minutes old.

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The current hour is filled from the observed-hour table in this browser.

Observed security history for Baltimore/Washington International Thurgood Marshall Airport (BWI) is listed by hour. It is not a live reading. The current hour is chosen in the browser from that table.

Typical wait by hour

On Sundays, the quietest observed standard-lane hours are 12am (sample-weighted median 1 minute) and 1am (sample-weighted median 1 minute). The busiest observed hours are 7am (sample-weighted 75th percentile 6 minutes) and 9am (sample-weighted 75th percentile 6 minutes). Hours with no readings are left out, not treated as zero.

Standard lane only. Average and 75th percentile are sample-weighted from observed history. A gap means that hour had no readings.

PreCheck

Historical dataset includes a PreCheck lane.

CLEAR

CLEAR is not shown. We are not using a CLEAR source.

Departure delays

Historical on-time performance. Not a live delay.

72%

On-time departures, September 2025 through August 2026. A departure is on time when it left less than 15 minutes late.

Flights out of Baltimore/Washington International Thurgood Marshall Airport left on time 72% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (40%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 56 minutes. 2% of scheduled flights were cancelled.

The highest on-time month was September 2025 (82%). The lowest was July 2026 (60%).

Share of delay minutes by cause. Not a percent of flights.
CauseDelay minutesShare of delay minutes
late-arriving aircraft511,60640%
the airline430,87333%
the national airspace system276,44621%
weather61,8295%
security6,6441%

Customs and passport control

International arrivals. Not TSA security.

The current hour is filled from the customs table in this browser. It is not a TSA security wait.

Sunday
HourAveragePublished maximumPassengers
1am12 min24 min47
2pm22 min44 min296
3pm14 min34 min1,400
4pm6 min15 min1,248
5pm8 min19 min1,765
6pm7 min20 min3,343
7pm7 min19 min3,662
8pm8 min20 min1,539
9pm13 min27 min543
10pm6 min15 min609
Monday
HourAveragePublished maximumPassengers
8am3 min10 min181
3pm7 min15 min175
4pm9 min21 min1,158
5pm10 min21 min2,109
6pm9 min19 min2,279
7pm10 min30 min4,896
8pm8 min20 min790
9pm7 min23 min228
10pm19 min28 min158
Tuesday
HourAveragePublished maximumPassengers
7am6 min12 min6
4pm10 min27 min232
5pm12 min28 min3,643
6pm13 min29 min3,194
7pm13 min33 min3,030
9pm10 min21 min420
10pm10 min21 min248
Wednesday
HourAveragePublished maximumPassengers
2pm21 min41 min158
3pm21 min46 min1,631
4pm11 min29 min761
5pm10 min25 min2,327
6pm10 min24 min3,346
7pm10 min27 min2,428
8pm20 min49 min454
Thursday
HourAveragePublished maximumPassengers
1pm1 min4 min11
4pm11 min23 min713
5pm13 min29 min1,491
6pm10 min22 min1,647
7pm8 min26 min3,592
8pm11 min30 min880
9pm3 min9 min392
10pm8 min21 min891
Friday
HourAveragePublished maximumPassengers
1pm6 min13 min211
2pm22 min42 min281
3pm20 min42 min1,446
4pm10 min24 min576
5pm10 min22 min2,450
6pm7 min17 min2,461
7pm9 min24 min2,578
8pm12 min29 min1,300
9pm14 min31 min575
11pm6 min14 min150
Saturday
HourAveragePublished maximumPassengers
12am8 min16 min167
1am2 min4 min20
5am20 min34 min43
7am13 min26 min75
8am4 min33 min8
1pm1 min3 min6
2pm17 min37 min1,024
3pm18 min38 min1,364
4pm12 min25 min893
5pm10 min29 min4,309
6pm10 min22 min1,970
7pm8 min23 min2,507
8pm7 min17 min749
9pm14 min30 min886
10pm7 min16 min139

When to be at the airport

TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.

Your flight

Enter a departure time to calculate when to be at the airport.

This subtracts TSA's published arrival guidance from the time you enter. It is not a drive time, and it is not a predicted security wait.

Nearby airports

Distances are straight-line miles.

Airport details
Runways
3
Longest runway
10/28, 10,503 ft
Longest runway width
150 ft
Longest runway surface
ASPH
Longest runway lighting
HIGH
Elevation
143.4 ft
Control tower
Yes
CY2024 enplanements
13,221,461
Facility use
Public
Ownership
Public
Part 139 certificate code
I D
Fuel
100LL,A
Airframe repair
MAJOR
Powerplant repair
MAJOR
Last inspection
2026/03/30
PreCheck
Historical dataset includes a PreCheck lane.

FAA facility record date 2026/10/01. Runways: BTS NTAD Runways. Facility facts: BTS NTAD Aviation Facilities. Enplanements: FAA CY2024 commercial service.

Questions

What is the TSA wait at BWI right now?

Observed security history for Baltimore/Washington International Thurgood Marshall Airport (BWI) is listed by hour. It is not a live reading. The current hour is chosen in the browser from that table.

Does TSACheck have a live security wait for BWI?

A live figure is shown only when the stored airport feed is fresh. Baltimore/Washington International Thurgood Marshall Airport (BWI) also has observed history. A stored value that is too old is not shown as live.

How often do flights leave BWI on time?

Flights out of Baltimore/Washington International Thurgood Marshall Airport left on time 72% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (40%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 56 minutes. 2% of scheduled flights were cancelled.

What is the customs wait at BWI?

Customs and passport-control history is in its own section. It is not a TSA security wait. The current hour is chosen from that table in the browser.

How early should I get to BWI?

TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.

Which airports are near BWI?

The nearest airports in this list are Ronald Reagan Washington National Airport (DCA), 30 straight-line miles; Washington Dulles International Airport (IAD), 45 straight-line miles; Dover Civil Air Terminal/Dover Air Force Base (DOV), 64 straight-line miles; Wilmington Airport (ILG), 66 straight-line miles; Hagerstown Regional Richard A Henson Field (HGR), 67 straight-line miles.