Flights operate between Washington (IAD) and Alcoa (TYS).
1 airline operates this route with 3-5 flights daily flights.
Average flight time is 1h 27m - 1h 57m.
Route distance is 421 miles (677 km).
Route Distance
421 miles (677 km)
Average Duration
1h 27m - 1h 57m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
3-5 flights
Weekly Flights
30
Typical Departure Time Ranges
Earliest Departure
09:00
Latest Departure
22:15
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
United Airlines serves 1 destination from IAD
Weekly Frequency
28
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| IAD → Alcoa (TYS) (TYS) | 28/week | 1h 27m - 1h 57m | 421 km | Moderate |
Flight Schedule & Filters
United Airlines flights from Washington (IAD) to Alcoa (TYS)
United Airlines operates scheduled nonstop flights between Washington (IAD) and Alcoa (TYS). United Airlines operates 3-5 flights daily flights on this route.• Flight Duration: 1h 27m - 1h 57m (average flight time)• Distance: 421 miles (677 km) (air miles between airports)• Daily Flights: 3-5 flights (scheduled departures per day)
Washington (IAD)
US
Alcoa (TYS)
US
FLIGHT TIME
1h 27m - 1h 57m
FLIGHT DISTANCE
421 miles (677 km)
1h 44m - 1h 48m
09:00
22:15
421 miles (677 km)
February
1 (Show)
30
United Airlines Terminal Information & Contact
Departure Terminal - Washington (IAD)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Washington, US
Arrival Terminal - Alcoa (TYS)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Knoxville, US
United Airlines Flight Schedule from Washington (IAD) to Alcoa (TYS)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4257 |  United Airlines | 09:00 | 10:48:00 | Embraer RJ135 / RJ140 / RJ145 |
UA4308 | United Airlines | 12:55 | 14:43:00 | Embraer RJ135 / RJ140 / RJ145 |
UA4914 | United Airlines | 18:36 | 20:20:00 | Embraer RJ135 / RJ140 / RJ145 |
UA4304 | United Airlines | 22:15 | 23:59:00 | Embraer RJ135 / RJ140 / RJ145 |
United Airlines Monthly Flight Calendar
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United Airlines Terminal Information
Departure Terminal at Washington (IAD):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Arrival Terminal at Alcoa (TYS):
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.comFrequently Asked Questions
How many United Airlines flights operate from Washington (IAD) to Knoxville (TYS)?
United Airlines operates 4 flights from Washington (IAD) to Knoxville (TYS).
What city does Knoxville (TYS) airport serve?
Knoxville (TYS) airport serves Alcoa, US.
How long is the United Airlines flight from Washington (IAD) to Knoxville (TYS)?
The flight duration is approximately 1h 27m - 1h 57m.
What is the distance from Washington (IAD) to Knoxville (TYS)?
The distance is 421 miles (677 km).
What aircraft does United Airlines use on this route?
United Airlines uses Embraer RJ135 / RJ140 / RJ145 on this route.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 09:00 and the latest departs at 22:15.
Which terminal does United Airlines use at Washington (IAD)?
United Airlines flights from Washington (IAD) depart from Terminal 1. Terminal 1 phone: 1-800-864-8331.
View all United Airlines flights to Washington (IAD) →
Popular United Airlines routes from Washington include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.