Salt Lake City International ⇄ Washington Dulles International SLC–IAD
Airlines flew 1,415 flights between Salt Lake City International SLC in Salt Lake City, UT and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 183,588 passengers in 217,828 seats, 84% of them filled, and 84,268 pounds of freight. 1,827 miles, about 211 minutes in the air, on 4 airlines: Delta Air Lines Inc. (722), United Air Lines Inc. (689), Breeze Aviation Group DBA Breeze (2), Sun Country Airlines d/b/a MN Airlines (2). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 121 |
| 2/25 | 114 |
| 3/25 | 127 |
| 4/25 | 118 |
| 5/25 | 122 |
| 6/25 | 124 |
| 7/25 | 124 |
| 8/25 | 126 |
| 9/25 | 121 |
| 10/25 | 125 |
| 11/25 | 119 |
| 12/25 | 89 |
| 1/26 | 117 |
| 2/26 | 108 |
| 3/26 | 126 |
| 4/26 | 120 |
| 5/26 | 123 |
| 6/26 | 119 |
| 7/26 | 122 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 12,260 |
| 2/25 | 12,447 |
| 3/25 | 15,567 |
| 4/25 | 12,836 |
| 5/25 | 16,888 |
| 6/25 | 17,046 |
| 7/25 | 18,492 |
| 8/25 | 17,375 |
| 9/25 | 15,548 |
| 10/25 | 15,524 |
| 11/25 | 14,198 |
| 12/25 | 11,852 |
| 1/26 | 14,474 |
| 2/26 | 13,292 |
| 3/26 | 15,786 |
| 4/26 | 16,004 |
| 5/26 | 17,099 |
| 6/26 | 16,061 |
| 7/26 | 16,375 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Delta Air Lines Inc. DL | 722 | 97,842 | 85% | charter passenger service, scheduled passenger service |
| United Air Lines Inc. UA | 689 | 85,587 | 84% | scheduled passenger service |
| Breeze Aviation Group DBA Breeze MX | 2 | 62 | 25% | charter passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 97 | 26% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 757 | 160 | 102,122 |
| Boeing 737-700/700LR/Max 7 | 186 | 126 | 21,085 |
| Boeing B737 Max 800 | 149 | 166 | 20,807 |
| Airbus Industrie A319 | 137 | 126 | 15,378 |
| Airbus Industrie A320-100/200 | 79 | 150 | 9,361 |
| Boeing 737-900ER | 54 | 179 | 7,693 |
| Boeing B737 Max 900 | 41 | 179 | 5,849 |
| Airbus Industrie A321-200n | 8 | 198 | 1,043 |
| A220-300 BD-500-1A11 | 2 | 134 | 161 |
| Boeing 757-200 | 1 | 72 | 61 |
| Embraer 190 | 1 | 108 | 28 |
SLC → IAD this direction alone · flown January 2025 to July 2026
709 flights of 712 scheduled, 92,957 passengers in 109,203 seats, 18,653 pounds of freight. Delta Air Lines Inc. 363; United Air Lines Inc. 344; Breeze Aviation Group DBA Breeze 1; Sun Country Airlines d/b/a MN Airlines 1.
IAD → SLC this direction alone · flown January 2025 to July 2026
706 flights of 714 scheduled, 90,631 passengers in 108,625 seats, 65,615 pounds of freight. Delta Air Lines Inc. 359; United Air Lines Inc. 345; Breeze Aviation Group DBA Breeze 1; Sun Country Airlines d/b/a MN Airlines 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: Salt Lake City International SLC and Washington Dulles International IAD; all routes.