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

Calgary ⇄ Chicago O'Hare International YYC–ORD

Airlines flew 2,296 flights between Calgary, Canada YYC in Calgary, CA and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 282,792 passengers in 329,019 seats, 86% of them filled, and 861 pounds of freight. 1,385 miles, about 138 minutes in the air, on 5 airlines: United Air Lines Inc. (973), American Airlines Inc. (593), Westjet (428), Envoy Air (301) and 1 more.

2,296
flights, twelve months
YYC-ORD: 1,143 · ORD-YYC: 1,153
282,792
passengers
86% of seats filled
1,385
miles
about 138 minutes airborne
5
airlines
9 aircraft types

Flights by month both directions

0761522283041/254/257/2510/251/264/263047/26
By month, as a table
flights
1/2562
2/2596
3/25145
4/25139
5/25201
6/25287
7/25302
8/25301
9/25275
10/25174
11/2580
12/25102
1/26143
2/26128
3/26138
4/26140
5/26214
6/26297
7/26304

Passengers by month

010,90721,81432,72043,6271/254/257/2510/251/264/2643,6277/26
By month, as a table
passengers
1/257,018
2/2510,954
3/2514,655
4/2513,029
5/2520,815
6/2537,031
7/2541,434
8/2542,077
9/2537,005
10/2522,548
11/259,297
12/2510,701
1/2613,159
2/2613,132
3/2613,764
4/2613,471
5/2623,657
6/2640,354
7/2643,627

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA973121,19087%scheduled passenger service
American Airlines Inc. AA59390,00988%scheduled passenger service
Westjet WS42852,87582%scheduled passenger service
Envoy Air MQ30118,66182%scheduled passenger service
Air Canada AC15781%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-800705171103,018
Boeing 737-700/700LR/Max 752712960,071
Embraer ERJ-1753017618,661
Boeing B737 Max 80028717242,755
Airbus Industrie A31921112624,480
Airbus Industrie A320-100/20019515024,689
Boeing B737 Max 900381794,747
Boeing 737-900ER221792,664
Airbus Industrie A321Neoxlr101901,707

YYC → ORD this direction alone · flown January 2025 to July 2026

1,143 flights of 943 scheduled, 142,855 passengers in 163,804 seats. United Air Lines Inc. 484; American Airlines Inc. 295; Westjet 214; Envoy Air 150.

ORD → YYC this direction alone · flown January 2025 to July 2026

1,153 flights of 945 scheduled, 139,937 passengers in 165,215 seats, 861 pounds of freight, 237 pounds of mail. United Air Lines Inc. 489; American Airlines Inc. 298; Westjet 214; Envoy Air 151; Air Canada 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: Calgary, Canada YYC and Chicago O'Hare International ORD; all routes.