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

Chicago/Rockford International ⇄ Cancun RFD–CUN

Airlines flew 4 flights between Chicago/Rockford International RFD in Chicago/Rockford, IL and Cancun, Mexico CUN in Cancun, MX in the twelve months to July 2026, both directions together: 712 passengers in 730 seats, 98% of them filled. 1,463 miles, about 185 minutes in the air, on 2 airlines: Sun Country Airlines d/b/a MN Airlines (2), United Air Lines Inc. (2).

4
flights, twelve months
RFD-CUN: 1 · CUN-RFD: 3
712
passengers
98% of seats filled
1,463
miles
about 185 minutes airborne
2
airlines
2 aircraft types

Flights by month both directions

0012218/25217/26
By month, as a table
flights
8/251
12/252
7/261

Passengers by month

0901802703601768/253601767/26
By month, as a table
passengers
8/25176
12/25360
7/26176

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Sun Country Airlines d/b/a MN Airlines SY236097%charter passenger service
United Air Lines Inc. UA235298%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8002186360
Boeing 737-900ER2179352

RFD → CUN this direction alone · flown December 2025 to December 2025

1 flights, 180 passengers in 186 seats. Sun Country Airlines d/b/a MN Airlines 1.

CUN → RFD this direction alone · flown August 2025 to July 2026

3 flights, 532 passengers in 544 seats. United Air Lines Inc. 2; Sun Country Airlines d/b/a MN Airlines 1.

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: Chicago/Rockford International RFD and Cancun, Mexico CUN; all routes.