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

Chicago O'Hare International ⇄ Halifax ORD–YHZ

Airlines flew 200 flights between Chicago O'Hare International ORD in Chicago, IL and Halifax, Canada YHZ in Halifax, CA in the twelve months to July 2026, both directions together: 12,955 passengers in 15,186 seats, 85% of them filled, and 30,249 pounds of freight. 1,239 miles, about 154 minutes in the air, on 4 airlines: SkyWest Airlines Inc. (166), Envoy Air (31), United Air Lines Inc. (2), National Air Cargo Group Inc d/ba National Airlines (1).

200
flights, twelve months
ORD-YHZ: 102 · YHZ-ORD: 98
12,955
passengers
85% of seats filled
1,239
miles
about 154 minutes airborne
4
airlines
3 aircraft types

Flights by month both directions

0173450671/257/2510/25677/26
By month, as a table
flights
1/252
5/254
6/2512
7/2516
8/2519
9/2516
10/2510
5/2625
6/2663
7/2667

Passengers by month

01,1262,2523,3774,5031/257/2510/254,5037/26
By month, as a table
passengers
1/250
5/25256
6/25817
7/251,002
8/251,325
9/25880
10/25597
5/261,564
6/264,086
7/264,503

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO16610,89587%scheduled passenger service
Envoy Air MQ311,81277%scheduled passenger service
United Air Lines Inc. UA224874%scheduled passenger service
National Air Cargo Group Inc d/ba National Airlines N810charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1751977512,707
Boeing 767-300/300ER2167248
Boeing 747-400100

ORD → YHZ this direction alone · flown May 2025 to July 2026

102 flights of 100 scheduled, 6,648 passengers in 7,707 seats, 29,175 pounds of freight. SkyWest Airlines Inc. 84; Envoy Air 16; National Air Cargo Group Inc d/ba National Airlines 1; United Air Lines Inc. 1.

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

98 flights of 97 scheduled, 6,307 passengers in 7,479 seats, 1,074 pounds of freight. SkyWest Airlines Inc. 82; Envoy Air 15; United Air Lines Inc. 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 O'Hare International ORD and Halifax, Canada YHZ; all routes.