Chicago

MDW · KMDW

Chicago Midway International Airport

41.79°, -87.75°IL, United States

Passengers a year

19.1M

#31 busiest in the U.S.

nonstop destinations

airlines

211

departures a day

77.3%

arrivals on time

1.5%

flights cancelled

80.0%

load factor

Chicago Midway Int'l (MDW) airport diagram — runway and taxiway layout, drawn to scale — Nonstop routes — the ten busiest. Filed traffic, August 2025 – July 2026.

Airlines

Southwest Airlines is the largest carrier at Chicago, with 92% of all passengers. 36 airlines fly from here.

Southwest 92%

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

Southwest Airlines holds 92% of the airport — the 3rd most concentrated of 35 medium hubs. The nearest comparison is HOU at 95%.

Airline	Share	Passengers	Dests	On time · mainline	Seats YoY
WN Southwest81% full	91.7%	17.5M	83	77.4%	0%
DL Delta78% fullDelta Connection · operated by SkyWest, Endeavor	2.8%	529.1K	3	82.1%	-22.3%
F9 Frontier81% full	2.7%	519K	11	70.6%	-40.4%
Y4 Volaris71% full	2.1%	401.4K	7	—	-23.7%
G4 Allegiant85% full	0.5%	94K	5	78.3%	-25.5%

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

87 domestic and 12 international nonstop destinations from Chicago, across 6 countries.

97% domestic · 3% international · by departing passengers

Top domestic destinations

Atlanta (ATL)
417.2K417,167 departing · 78% full
Southwest Airlines · Delta Air Lines · Frontier Airlines
Phoenix (PHX)
393.7K393,714 departing · 85% full
Southwest Airlines · Frontier Airlines
Orlando (MCO)
377.6K377,617 departing · 83% full
Southwest Airlines · Frontier Airlines
Las Vegas (LAS)
341.1K341,102 departing · 88% full
Southwest Airlines
Denver (DEN)
319.9K319,906 departing · 84% full
Southwest Airlines · Frontier Airlines
New York (LGA)
311.2K311,226 departing · 83% full
Southwest Airlines
Dallas (DAL)
281.5K281,501 departing · 80% full
Southwest Airlines
Houston (HOU)
256.8K256,803 departing · 84% full
Southwest Airlines
Minneapolis (MSP)
253.8K253,822 departing · 78% full
Southwest Airlines · Delta Air Lines
Kansas City (MCI)
242K242,030 departing · 73% full
Southwest Airlines

Top international destinations

Cancún, Mexico (CUN)
66.2K66,153 departing · 132K132,047 both ways
Southwest Airlines
Morelia, Mexico (MLM)
53.8K53,849 departing · 113.1K113,079 both ways
Volaris
Guadalajara, Mexico (GDL)
31.5K31,473 departing · 70.9K70,942 both ways
Volaris
Aguascalientes, Mexico (AGU)
30.7K30,727 departing · 65.3K65,284 both ways
Volaris
Zacatecas, Mexico (ZCL)
27.8K27,772 departing · 57.3K57,304 both ways
Volaris
Silao, Mexico (BJX)
21.6K21,564 departing · 44.5K44,531 both ways
Volaris
Toronto, Canada (YTZ)
21.5K21,457 departing · 43.4K43,444 both ways
Porter Airlines
Durango, Mexico (DGO)
20.5K20,545 departing · 42.7K42,715 both ways
Volaris
Punta Cana, Dominican Republic (PUJ)
18K17,982 departing · 34.9K34,860 both ways
Southwest Airlines
Montego Bay, Jamaica (MBJ)
4.6K4,554 departing · 9K9,021 both ways
Southwest Airlines

All nonstop destinations

99 nonstop · 6 airlines · 87 domestic / 12 intl

ALB AlbanyABQ AlbuquerqueATL AtlantaAUS AustinBWI BaltimoreBHM BirminghamBOI BoiseBOS BostonBZN BozemanBUF BuffaloBUR BurbankCUNCancúnCHS CharlestonCLT CharlotteCVG Cincinnati / CovingtonCLE ClevelandCOS Colorado SpringsCMH ColumbusDAL DallasDEN DenverDSM Des MoinesDTW DetroitELP El PasoFLL Fort LauderdaleRSW Fort MyersGRR Grand RapidsBDL HartfordHOU HoustonIND IndianapolisJAX JacksonvilleMCI Kansas CityLAS Las VegasLGB Long BeachLAX Los AngelesSDF LouisvilleMHT ManchesterMEM MemphisMIA MiamiMKE MilwaukeeMSP MinneapolisMBJMontego BayMYR Myrtle BeachBNA NashvilleMSY New OrleansLGA New YorkORF NorfolkOAK OaklandOKC Oklahoma CityOMA OmahaONT OntarioMCO OrlandoPSP Palm SpringsECP Panama City BeachPNS PensacolaPHL PhiladelphiaPHX PhoenixPIT PittsburghPDX PortlandPWM PortlandPVD Providence/WarwickPUJPunta CanaRDU Raleigh/DurhamRNO RenoRIC RichmondROC RochesterSMF SacramentoSLC Salt Lake CitySAT San AntonioSAN San DiegoSFO San FranciscoSJC San JoseSJDSan José del Cabo SJUSan JuanSRQ Sarasota/BradentonSAV SavannahSEA SeattleGEG SpokaneSTL St LouisTPA TampaTUS TucsonTUL TulsaDCA WashingtonICT Wichita

Southwest Airlines profile

Aircraft

By share of departures at Chicago.

Narrowbody 97%

Body class · share of departures

Boeing 737 MAX 8
27,409 departures · 81% full
Narrowbody
35.7%
Boeing 737-700
22,760 departures · 81% full
Narrowbody
29.6%
Boeing 737-800
18,886 departures · 80% full
Narrowbody
24.6%
Airbus A320neo
3,011 departures · 75% full
Narrowbody
3.9%
Bombardier CRJ-700
1,023 departures · 73% full
Regional
1.3%
Embraer E175
998 departures · 76% full
Regional
1.3%
Airbus A320
745 departures · 80% full
Narrowbody
1.0%
Boeing 717-200
505 departures · 86% full
Narrowbody
0.7%
Airbus A319
479 departures · 83% full
Narrowbody
0.6%
De Havilland DHC8-400 Dash-8
460 departures · 60% full
0.6%

When Chicago is busiest

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

7.0K

6.7K

6.8K

5.6K

6.1K

5.1K

4.8K

6.7K

6.5K

6.7K

7.3K

7.6K

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Departures a month · peak July 2026

Annual passengers since 1990

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

Passengers a year

1990 · 7,665,248

1991 · 6,302,942

1992 · 4,404,483

1993 · 6,544,277

1994 · 9,390,705

1995 · 9,628,309

1996 · 9,491,475

1997 · 9,488,684

1998 · 10,833,284

1999 · 13,327,281

2000 · 15,293,200

2001 · 15,321,239

2002 · 16,492,677

2003 · 18,297,208

2004 · 19,486,352

2005 · 17,670,228

2006 · 18,852,119

2007 · 19,345,738

2008 · 17,372,776

2009 · 17,694,149

2010 · 18,186,586

2011 · 19,488,427

2012 · 19,948,594

2013 · 20,825,799

2014 · 21,559,287

2015 · 22,439,874

2016 · 22,646,020

2017 · 22,397,805

2018 · 21,848,472

2019 · 20,605,492

2020 · 8,969,871

2021 · 15,783,503

2022 · 19,892,489

2023 · 21,912,299

2024 · 21,061,873

2025 · 18,916,846

2026 · 11,053,673 so far

Every year

1990: 7,665,248
1991: 6,302,942
1992: 4,404,483
1993: 6,544,277
1994: 9,390,705
1995: 9,628,309
1996: 9,491,475
1997: 9,488,684
1998: 10,833,284
1999: 13,327,281
2000: 15,293,200
2001: 15,321,239
2002: 16,492,677
2003: 18,297,208
2004: 19,486,352
2005: 17,670,228
2006: 18,852,119
2007: 19,345,738
2008: 17,372,776
2009: 17,694,149
2010: 18,186,586
2011: 19,488,427
2012: 19,948,594
2013: 20,825,799
2014: 21,559,287
2015: 22,439,874
2016: 22,646,020
2017: 22,397,805
2018: 21,848,472
2019: 20,605,492
2020: 8,969,871
2021: 15,783,503
2022: 19,892,489
2023: 21,912,299
2024: 21,061,873
2025: 18,916,846
2026: 11,053,673 so far

Arriving on time

Of every 100 flights landing at Chicago, 77 touch down within 15 minutes of schedule, 21 arrive late, and 2 are cancelled.

See live FAA delays

Every 100 arrivals

On time 77Late 21Cancelled 2

14 min

average delay

1,108

flights cancelled

72.2K

arrivals measured

What holds flights up

Late-arriving aircraft

Airline (carrier)

National Aviation System

Extreme weather

Security

Share of delay minutes

Most reliable here

Delta Air Lines 82.1%

Least reliable here

Frontier Airlines 70.6%

Among US airports

#31

On time, month by month

Darker is better · 70.2%–85.7%

The weak spot is March 2026, when 70.2% of arrivals landed on time — 7.1 points below the year. The strongest was September 2025 at 85.7%.

Frequently asked

How busy is Chicago Midway International Airport (MDW)?

Chicago Midway International Airport handled about 19.1M passengers over the trailing 12 months, ranking #31 among U.S. airports by passengers, with roughly 211 departures a day.

Which airline is the largest at Chicago Midway International Airport (MDW)?

Southwest Airlines is the largest carrier at Chicago (MDW), flying about 92% of its passengers. 36 airlines serve Chicago in total.

How many places can you fly nonstop from Chicago Midway International Airport (MDW)?

Chicago (MDW) has 99 nonstop destinations — 87 domestic and 12 international across 6 countries.

How often do flights arrive on time at Chicago Midway International Airport (MDW)?

About 77.3% of flights arriving at Chicago (MDW) touch down within 15 minutes of schedule, per US DOT figures. About 1.5% are cancelled.

What aircraft flies most from Chicago Midway International Airport (MDW)?

The Boeing 737 MAX 8 flew the largest share of departures from Chicago (MDW), about 36% of the total.

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