Dulles to Salt Lake City (IAD–SLC) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–SLC is served by 2 airlines with nonstop service. Delta Air Lines and United Airlines lead the route. The flight covers 1,824 miles in approximately 4h 24m. Beyond nonstop, 140 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines | 8 | 738 | 4h45-5h15 | SkyTeam | – | |
| UA United Airlines | 7 | 319 | 4h24 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Salt Lake City from Dulles
| Metric | IAD→SLC | DCA→SLC | BWI→SLC |
|---|---|---|---|
| Distance from IAD | – | 23 mi | 45 mi |
| Nonstop airlines | 2 | 1 | 4 |
| Weekly flights | 15 | 7 | 23 |
| Flight time | 4h 24m | 4h 43m | 4h 14m |
| Departure OTP | 75% | – | – |
Travel Essentials
IAD: EDT · SLC: MDT
When it's 6:00 PM in Dulles, it's 4:00 PM in Salt Lake City.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
TRAX Green Line from the airport station (inside the terminal) to downtown Salt Lake City takes 18 minutes ($2.50). Direct service to Intermodal Hub, Temple Square, and University of Utah. Running 5am to 11pm.Ride-shares to downtown cost $15–25. Taxis are available. For ski resorts, ski resort shuttles and Canyon Transportation offer door-to-door service ($40–60 to Park City). Car rental is on-site. The terminal opened in 2020 and is a single, modern facility; efficient to navigate.
Semi-arid continental climate at 1,290m elevation. Winters (November–March) bring regular snow and inversions. Temperature inversions trap cold air and pollution in the Salt Lake Valley, producing dense fog that can close or delay flights for hours. Snow is frequent but usually manageable. Inversions are the real disruption risk.
Summers are hot and dry (32–38°C) with low humidity and good flying weather. Afternoon thunderstorms occur in July and August but are brief. Spring is windy. The Great Salt Lake creates localized weather effects including lake-effect snow on the north side of the Wasatch.
IAD–SLC Quick Facts
Frequently Asked Questions
Flights from IAD to SLC
Washington Dulles International Airport (IAD) and Salt Lake City International Airport (SLC) are connected by nonstop service from Delta Air Lines and United Airlines. With 15 weekly departures, this is a well served route.
IAD to SLC Flight Duration and Schedule
Nonstop flight time from IAD to SLC ranges from 4 hours 24 minutes to 5 hours 15 minutes. The route covers a distance of 1,824 miles (2,935 km). There are approximately 15 weekly flights outbound and 21 return, totaling 36 flights per week in both directions.
Connecting Options and Alternatives
140 one-stop connections are available, with the fastest taking approximately 5 hours via XNA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Harrisburg (MDT).