Washington Dulles (IAD) – Ottawa Macdonald-Cartier (YOW)
In July 2026, 10,183 passengers flew between Washington Dulles and Ottawa Macdonald-Cartier (both directions) on 225 flights, according to the US BTS.
Passengers per month
Data Integrity
The most recent periods19 periods
| Period | Passengers 2025 | Passengers 2026 | Change vs last year |
|---|---|---|---|
| January | 5,011 | 8,416 | ▲ 68.0% |
| February | 5,905 | 8,149 | ▲ 38.0% |
| March | 7,256 | 8,633 | ▲ 19.0% |
| April | 7,223 | 10,784 | ▲ 49.3% |
| May | 7,750 | 11,706 | ▲ 51.0% |
| June | 7,411 | 10,951 | ▲ 47.8% |
| July | 7,250 | 10,183 | ▲ 40.5% |
| August | 8,133 | – | – |
| September | 7,218 | – | – |
| October | 8,367 | – | in progress |
| November | 8,885 | – | – |
| December | 9,092 | – | – |
| Year to date (Jan–Jul) | 47,806 | 68,822 | ▲ 44.0% |
Passenger flights per month
Data Integrity
Commercial passenger flights only. Cargo flights are not counted. Both directions combined.
The most recent periods19 periods
| Period | Flights operated 2025 | Flights operated 2026 | Change vs last year |
|---|---|---|---|
| January | 118 | 174 | ▲ 47.5% |
| February | 130 | 164 | ▲ 26.2% |
| March | 175 | 184 | ▲ 5.1% |
| April | 179 | 243 | ▲ 35.8% |
| May | 185 | 247 | ▲ 33.5% |
| June | 179 | 235 | ▲ 31.3% |
| July | 177 | 225 | ▲ 27.1% |
| August | 185 | – | – |
| September | 181 | – | – |
| October | 189 | – | in progress |
| November | 174 | – | – |
| December | 185 | – | – |
| Year to date (Jan–Jul) | 1,143 | 1,472 | ▲ 28.8% |
Seats offered per month
Data Integrity
The most recent periods19 periods
| Period | Seats offered 2025 | Seats offered 2026 | Change vs last year |
|---|---|---|---|
| January | 5,966 | 10,256 | ▲ 71.9% |
| February | 6,500 | 9,604 | ▲ 47.8% |
| March | 8,790 | 10,982 | ▲ 24.9% |
| April | 8,950 | 15,222 | ▲ 70.1% |
| May | 9,276 | 15,262 | ▲ 64.5% |
| June | 8,914 | 13,960 | ▲ 56.6% |
| July | 8,850 | 13,304 | ▲ 50.3% |
| August | 9,250 | – | – |
| September | 9,076 | – | – |
| October | 9,857 | – | in progress |
| November | 11,030 | – | – |
| December | 10,878 | – | – |
| Year to date (Jan–Jul) | 57,246 | 88,590 | ▲ 54.8% |
Load factor (calculated)
Data Integrity
Calculated by us: passengers ÷ seats offered, both from the same source and shown on this page.
The most recent periods19 periods
| Period | Load factor 2025 | Load factor 2026 | Change vs last year |
|---|---|---|---|
| January | 84.0% | 82.1% | ▼ 2.3% |
| February | 90.8% | 84.9% | ▼ 6.5% |
| March | 82.5% | 78.6% | ▼ 4.7% |
| April | 80.7% | 70.8% | ▼ 12.3% |
| May | 83.5% | 76.7% | ▼ 8.1% |
| June | 83.1% | 78.4% | ▼ 5.7% |
| July | 81.9% | 76.5% | ▼ 6.6% |
| August | 87.9% | – | – |
| September | 79.5% | – | – |
| October | 84.9% | – | in progress |
| November | 80.6% | – | – |
| December | 83.6% | – | – |
| Year-to-date average (Jan–Jul) | 83.8% | 78.3% | ▼ 6.6% |
Monthly totals for both directions, published by the US BTS. Latest month available: July 2026. Covers every airline flying between Canada and the United States, as reported to the US BTS.