The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

George Bush Intcntl/Houston ⇄ Chicago Midway International IAH–MDW

Airlines flew 225 flights between George Bush Intcntl/Houston IAH in Houston, TX and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 31,656 passengers in 41,714 seats, 76% of them filled, and 25,150 pounds of freight. 917 miles, about 123 minutes in the air, on 3 airlines: Frontier Airlines Inc. (222), United Air Lines Inc. (2), Republic Airline (1). Planning to fly it yourself? The weather and winds along this route right now.

225
flights, twelve months
IAH-MDW: 114 · MDW-IAH: 111
31,656
passengers
76% of seats filled
917
miles
about 123 minutes airborne
3
airlines
6 aircraft types

Flights by month both directions

0122334461/254/257/2510/251/264/2616/26
By month, as a table
flights
1/2532
2/2528
3/2528
4/2526
5/2524
6/2519
7/2518
8/2526
9/2534
10/2542
11/2546
12/2526
1/268
2/2614
3/2619
4/268
5/261
6/261

Passengers by month

01,5743,1484,7226,2961/254/257/2510/251/264/26676/26
By month, as a table
passengers
1/253,043
2/252,949
3/253,886
4/253,611
5/253,697
6/252,931
7/252,658
8/253,116
9/254,184
10/256,051
11/256,296
12/254,131
1/261,370
2/262,211
3/262,956
4/261,204
5/2670
6/2667

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Frontier Airlines Inc. F922231,44276%scheduled passenger service
United Air Lines Inc. UA214440%charter passenger service
Republic Airline YX17092%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A320-200n21618630,493
Airbus Industrie A321-200n4186683
Airbus Industrie A320-100/2002180266
Embraer ERJ-17517670
Boeing B737 Max 900117977
Boeing 737-900ER117967

IAH → MDW this direction alone · flown January 2025 to June 2026

114 flights of 111 scheduled, 16,188 passengers in 21,074 seats, 25,150 pounds of freight. Frontier Airlines Inc. 111; United Air Lines Inc. 2; Republic Airline 1.

MDW → IAH this direction alone · flown January 2025 to April 2026

111 flights of 111 scheduled, 15,468 passengers in 20,640 seats. Frontier Airlines Inc. 111.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: George Bush Intcntl/Houston IAH and Chicago Midway International MDW; all routes.