Baltimore

BWI · KBWI

Baltimore/Washington International Thurgood Marshall Airport

39.18°, -76.67°MD, United States

Passengers a year

24.3M

#26 busiest in the U.S.

94

nonstop destinations

53

airlines

271

departures a day

79.9%

arrivals on time

1.7%

flights cancelled

76.9%

load factor

The ten busiest routes from BWI, by passengers: ATL, MCO, FLL, DEN, CLT, BOS, TPA, MIA, ORD, LASBWIDENORDBOSFLLMIAMCOTPACLTATLLAS
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

Southwest Airlines is the largest carrier at Baltimore, with 72% of all passengers. 53 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

Southwest Airlines holds 72% of the airport — the 6th most concentrated of 30 large hubs. The nearest comparison is DTW at 73%.

AirlineSharePassengersSeats YoY
WN
Southwest76% full
72.5%17.6M-0.1%
DL
Delta82% fullDelta Connection · operated by Republic, Endeavor, SkyWest
6.3%1.5M-8%
NK
Spirit80% full
5.0%1.2M-40.6%
UA
United80% fullUnited Express · operated by Mesa, SkyWest, Republic, CommuteAir, GoJet
4.7%1.1M+11%
AA
American83% fullAmerican Eagle · operated by Envoy, Republic, PSA, Piedmont, SkyWest
4.6%1.1M+0.3%
+Other airlines
6.9%1.7M—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

77 domestic and 17 international nonstop destinations from Baltimore, across 18 countries.

96% domestic · 4% international · by departing passengers

Top domestic destinations

  • Atlanta (ATL)

    776.3K departing · 80% full

    Delta Air Lines · Southwest Airlines · Frontier Airlines · Spirit Airlines

  • Orlando (MCO)

    619.6K departing · 78% full

    Southwest Airlines · Spirit Airlines · Frontier Airlines

  • Fort Lauderdale (FLL)

    416.4K departing · 78% full

    Southwest Airlines · Spirit Airlines · Frontier Airlines

  • Denver (DEN)

    409.7K departing · 83% full

    Southwest Airlines · United Airlines · Frontier Airlines

  • Charlotte (CLT)

    395.8K departing · 81% full

    American Airlines · Southwest Airlines · Frontier Airlines

  • Boston (BOS)

    384.5K departing · 79% full

    Southwest Airlines · Delta Air Lines · Spirit Airlines

  • Tampa (TPA)

    333.3K departing · 73% full

    Southwest Airlines · Frontier Airlines · Spirit Airlines

  • Miami (MIA)

    299K departing · 81% full

    Southwest Airlines · American Airlines · Frontier Airlines · Spirit Airlines

  • Chicago (ORD)

    262.5K departing · 81% full

    United Airlines · American Airlines · Frontier Airlines · Southwest Airlines

  • Las Vegas (LAS)

    257K departing · 80% full

    Southwest Airlines · Spirit Airlines

Top international destinations

  • Cancún, Mexico (CUN)

    121.3K departing · 243.8K both ways

    Southwest Airlines · Spirit Airlines · Frontier Airlines

  • Punta Cana, Dominican Republic (PUJ)

    91.7K departing · 182K both ways

    Southwest Airlines · Spirit Airlines

  • Montego Bay, Jamaica (MBJ)

    84.6K departing · 170.2K both ways

    Southwest Airlines · Spirit Airlines

  • London, United Kingdom (LHR)

    69.7K departing · 139.5K both ways

    British Airways

  • Reykjavík, Iceland (KEF)

    48.6K departing · 92.2K both ways

    Icelandair · Fly PLAY ehf

  • Tocumen, Panama (PTY)

    28.7K departing · 61K both ways

    Copa Airlines

  • Oranjestad, Aruba (AUA)

    19.2K departing · 37.6K both ways

    Southwest Airlines

  • San José, Costa Rica (SJO)

    8.4K departing · 15.8K both ways

    Southwest Airlines

  • Liberia, Costa Rica (LIR)

    7.5K departing · 15.3K both ways

    Southwest Airlines

  • Nassau, Bahamas (NAS)

    7K departing · 14.1K both ways

    Southwest Airlines

All nonstop destinations

94 nonstop · 14 airlines · 77 domestic / 17 intl

Aircraft

By share of departures at Baltimore.

Body class · share of departures

When Baltimore is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak July 2025

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
9,893,114
1991
9,511,114
1992
8,093,244
1993
8,507,962
1994
12,146,417
1995
12,155,191
1996
12,510,509
1997
13,405,162
1998
14,433,590
1999
17,111,730
2000
19,352,113
2001
20,191,178
2002
19,241,618
2003
20,334,434
2004
21,087,456
2005
20,479,881
2006
21,685,408
2007
22,009,908
2008
21,266,424
2009
21,437,168
2010
22,427,803
2011
22,830,857
2012
23,018,285
2013
22,873,941
2014
22,660,842
2015
24,009,133
2016
25,207,798
2017
26,461,442
2018
27,122,088
2019
26,985,315
2020
11,246,232
2021
18,693,360
2022
22,582,499
2023
26,110,888
2024
26,614,090
2025
24,638,947
2026
9,152,002 so far

Arriving on time

Of every 100 flights landing at Baltimore, 80 touch down within 15 minutes of schedule, 18 arrive late, and 2 are cancelled.

See live FAA delays

Every 100 arrivals

On time 80Late 18Cancelled 2

13 min

average delay

1,618

flights cancelled

93K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

Southwest Airlines 80.9%

Least reliable here

Frontier Airlines 70.3%

Among US airports

#26

On time, month by month

Darker is better · 68.9%–86.4%

The weak spot is July 2025, when 68.9% of arrivals landed on time — 11 points below the year. The strongest was September 2025 at 86.4%.

Frequently asked

How busy is Baltimore/Washington International Thurgood Marshall Airport (BWI)?

Baltimore/Washington International Thurgood Marshall Airport handled about 24.3M passengers over the trailing 12 months, ranking #26 among U.S. airports by passengers, with roughly 271 departures a day.

Which airline is the largest at Baltimore/Washington International Thurgood Marshall Airport (BWI)?

Southwest Airlines is the largest carrier at Baltimore (BWI), flying about 72% of its passengers. 53 airlines serve Baltimore in total.

How many places can you fly nonstop from Baltimore/Washington International Thurgood Marshall Airport (BWI)?

Baltimore (BWI) has 94 nonstop destinations — 77 domestic and 17 international across 18 countries.

How often do flights arrive on time at Baltimore/Washington International Thurgood Marshall Airport (BWI)?

About 79.9% of flights arriving at Baltimore (BWI) touch down within 15 minutes of schedule, per US DOT figures. About 1.7% are cancelled.

What aircraft flies most from Baltimore/Washington International Thurgood Marshall Airport (BWI)?

The Boeing 737-700 flew the largest share of departures from Baltimore (BWI), about 29% of the total.

Trip reports on YouTube

Fliers post trip reports from flights through Baltimore (BWI) to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.

  • Genki's Travels

    American Airlines | A320-200 | First Class | Charlotte (CLT) to Baltimore (BWI) | Trip Report

    24:06 · Aug 2025

    Watch on YouTube

  • QFS Aviation

    TRIP REPORT | Spirit Airlines - A319 - Los Angeles (LAX) to Baltimore (BWI) | Big Front Seat

    24:11 · May 2018

    Watch on YouTube

  • Coke Cans And Winglets

    TRIP REPORT | JACKSONVILLE (JAX) TO BALTIMORE (BWI) | SOUTHWEST AIRLINES | B737-76N | ECONOMY

    14:52 · Dec 2018

    Watch on YouTube

Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.

Departing counts passengers leaving Baltimore; international destinations also show both directions. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).