Washington Dulles International ⇄ Toronto IAD–YTZ
Airlines flew 999 flights between Washington Dulles International IAD in Washington, DC and Toronto, Canada YTZ in Toronto, CA in the twelve months to July 2026, both directions together: 47,206 passengers in 77,852 seats, 61% of them filled. 338 miles, about 0 minutes in the air, on 3 airlines: Porter Airlines Inc. (PAI) (896), Jazz Aviation LP (102), Tradewind Aviation (1).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 61 |
| 2/25 | 46 |
| 3/25 | 100 |
| 4/25 | 100 |
| 5/25 | 92 |
| 6/25 | 95 |
| 7/25 | 94 |
| 8/25 | 97 |
| 9/25 | 94 |
| 10/25 | 102 |
| 11/25 | 97 |
| 12/25 | 106 |
| 1/26 | 47 |
| 2/26 | 40 |
| 3/26 | 50 |
| 4/26 | 66 |
| 5/26 | 97 |
| 6/26 | 157 |
| 7/26 | 46 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 2,618 |
| 2/25 | 1,685 |
| 3/25 | 3,128 |
| 4/25 | 3,950 |
| 5/25 | 3,886 |
| 6/25 | 5,695 |
| 7/25 | 5,817 |
| 8/25 | 6,110 |
| 9/25 | 3,638 |
| 10/25 | 4,594 |
| 11/25 | 3,851 |
| 12/25 | 4,687 |
| 1/26 | 1,955 |
| 2/26 | 1,377 |
| 3/26 | 2,431 |
| 4/26 | 2,794 |
| 5/26 | 4,565 |
| 6/26 | 8,476 |
| 7/26 | 2,728 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Porter Airlines Inc. (PAI) P3 | 896 | 41,158 | 59% | scheduled passenger service |
| Jazz Aviation LP QK | 102 | 6,046 | 76% | scheduled passenger service |
| Tradewind Aviation TJ | 1 | 2 | 25% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| De Havilland DHC8-400 Dash-8 | 998 | 78 | 47,204 |
| Pilatus PC-12 | 1 | 8 | 2 |
IAD → YTZ this direction alone · flown January 2025 to July 2026
497 flights, 23,907 passengers in 38,766 seats. Porter Airlines Inc. (PAI) 446; Jazz Aviation LP 51.
YTZ → IAD this direction alone · flown January 2025 to July 2026
502 flights, 23,299 passengers in 39,086 seats. Porter Airlines Inc. (PAI) 450; Jazz Aviation LP 51; Tradewind Aviation 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: Washington Dulles International IAD and Toronto, Canada YTZ; all routes.
