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

Cancun ⇄ Chicago Midway International CUN–MDW

Airlines flew 945 flights between Cancun, Mexico CUN in Cancun, MX and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 132,047 passengers in 150,049 seats, 88% of them filled. 1,430 miles, about 193 minutes in the air, on 2 airlines: Southwest Airlines Co. (933), Frontier Airlines Inc. (12).

945
flights, twelve months
CUN-MDW: 470 · MDW-CUN: 475
132,047
passengers
88% of seats filled
1,430
miles
about 193 minutes airborne
2
airlines
4 aircraft types

Flights by month both directions

03060911211/254/257/2510/251/264/261037/26
By month, as a table
flights
1/2564
2/2560
3/25104
4/2582
5/2580
6/25114
7/25121
8/2567
9/2559
10/2578
11/2568
12/2570
1/2664
2/2662
3/26108
4/2685
5/2682
6/2699
7/26103

Passengers by month

04,0508,10012,15016,2001/254/257/2510/251/264/2615,5527/26
By month, as a table
passengers
1/259,763
2/259,345
3/2514,979
4/2511,900
5/2511,606
6/2515,834
7/2516,200
8/259,297
9/257,944
10/2510,060
11/259,590
12/259,342
1/268,732
2/268,642
3/2614,324
4/2611,989
5/2611,829
6/2614,746
7/2615,552

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN933130,23388%scheduled passenger service
Frontier Airlines Inc. F9121,81481%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 744514055,515
Boeing B737 Max 80038017558,390
Boeing 737-80010817516,328
Airbus Industrie A320-200n121861,814

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

470 flights of 477 scheduled, 65,894 passengers in 74,522 seats. Southwest Airlines Co. 464; Frontier Airlines Inc. 6.

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

475 flights of 476 scheduled, 66,153 passengers in 75,527 seats. Southwest Airlines Co. 469; Frontier Airlines 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: Cancun, Mexico CUN and Chicago Midway International MDW; all routes.