Routes and flights · the DOT's airline reports, August 2025 to July 2026

Toronto ⇄ Chicago Midway International YTZ–MDW

Airlines flew 922 flights between Toronto, Canada YTZ in Toronto, CA and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 43,444 passengers in 71,916 seats, 60% of them filled. 444 miles, on 1 airline: Porter Airlines Inc. (PAI) (922).

922

flights, twelve months

YTZ-MDW: 462 · MDW-YTZ: 460

43,444

passengers

60% of seats filled

444

miles

airline

1 aircraft type

Flights by month both directions

By month, as a table

	flights
1/25	66
2/25	51
3/25	111
4/25	105
5/25	110
6/25	110
7/25	116
8/25	112
9/25	98
10/25	112
11/25	82
12/25	97
1/26	48
2/26	44
3/26	56
4/26	66
5/26	114
6/26	93

Passengers by month

By month, as a table

	passengers
1/25	3,049
2/25	2,351
3/25	5,428
4/25	4,465
5/25	4,932
6/25	6,266
7/25	6,755
8/25	6,962
9/25	4,474
10/25	4,769
11/25	3,500
12/25	4,253
1/26	2,074
2/26	1,889
3/26	2,944
4/26	2,952
5/26	5,046
6/26	4,581

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Porter Airlines Inc. (PAI) P3	922	43,444	60%	scheduled passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
De Havilland DHC8-400 Dash-8	922	78	43,444

YTZ → MDW this direction alone · flown January 2025 to June 2026

462 flights, 21,987 passengers in 36,036 seats. Porter Airlines Inc. (PAI) 462.

MDW → YTZ this direction alone · flown January 2025 to June 2026

460 flights, 21,457 passengers in 35,880 seats. Porter Airlines Inc. (PAI) 460.

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: Toronto, Canada YTZ and Chicago Midway International MDW; all routes.