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

Phoenix Sky Harbor International ⇄ Chicago Midway International PHX–MDW

Airlines flew 5,409 flights between Phoenix Sky Harbor International PHX in Phoenix, AZ and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 788,685 passengers in 924,099 seats, 85% of them filled, and 1,289,471 pounds of freight. 1,444 miles, about 172 minutes in the air, on 4 airlines: Southwest Airlines Co. (5,169), Frontier Airlines Inc. (232), Delta Air Lines Inc. (6), United Air Lines Inc. (2). Planning to fly it yourself? The weather and winds along this route right now.

5,409
flights, twelve months
PHX-MDW: 2,715 · MDW-PHX: 2,694
788,685
passengers
85% of seats filled
1,444
miles
about 172 minutes airborne
4
airlines
8 aircraft types

Flights by month both directions

01402814225621/254/257/2510/251/264/263857/26
By month, as a table
flights
1/25420
2/25384
3/25562
4/25541
5/25484
6/25474
7/25501
8/25421
9/25404
10/25530
11/25424
12/25480
1/26403
2/26411
3/26545
4/26497
5/26468
6/26441
7/26385

Passengers by month

020,77841,55662,33583,1131/254/257/2510/251/264/2657,6177/26
By month, as a table
passengers
1/2554,703
2/2552,265
3/2575,514
4/2569,764
5/2566,750
6/2565,657
7/2567,102
8/2561,706
9/2558,925
10/2578,891
11/2560,234
12/2568,400
1/2653,626
2/2657,190
3/2683,113
4/2670,740
5/2670,225
6/2668,018
7/2657,617

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN5,169751,84985%scheduled passenger service
Frontier Airlines Inc. F923236,42884%scheduled passenger service
Delta Air Lines Inc. DL625258%charter passenger service
United Air Lines Inc. UA215644%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 8002,758175411,612
Boeing 737-8001,731175256,835
Boeing 737-700/700LR/Max 768013983,402
Airbus Industrie A320-200n22018634,478
Airbus Industrie A321-200n101861,662
Boeing 757-200672252
Boeing B737 Max 9002179156
Airbus Industrie A320-100/2002186288

PHX → MDW this direction alone · flown January 2025 to July 2026

2,715 flights of 2,755 scheduled, 394,719 passengers in 460,929 seats, 666,079 pounds of freight. Southwest Airlines Co. 2,597; Frontier Airlines Inc. 116; United Air Lines Inc. 2.

MDW → PHX this direction alone · flown January 2025 to July 2026

2,694 flights of 2,736 scheduled, 393,966 passengers in 463,170 seats, 623,392 pounds of freight. Southwest Airlines Co. 2,572; Frontier Airlines Inc. 116; Delta Air Lines Inc. 6.

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: Phoenix Sky Harbor International PHX and Chicago Midway International MDW; all routes.