Track UA400 Live
Washington Dulles (IAD) → Chicago O'Hare (ORD)
This flight usually operates between these airports.
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About this flight
Airline
United AirlinesRoute
IAD → ORDDeparts from
Washington Dulles International AirportArrives at
O'Hare International AirportUnited Airlines operates this flight from its Newark, Chicago O'Hare, Houston, Denver, San Francisco hub and is part of the Star Alliance alliance.
This is a 1 hour 50 minutes flight. Washington is 1 hour ahead of Chicago (Eastern vs Central Time)..
After landing at O'Hare International Airport, expect 40-75 minutes international, 15-25 minutes domestic before passengers reach arrivals.
Avoid waiting at arrivals. Get a text when UA400 lands at O'Hare International Airport.
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Frequently asked about UA400
Is UA400 on time today?+
Check the live status above for today's UA400 flight. SkyText sends SMS updates including delays and landing confirmation — no app needed, no refreshing.
What time does UA400 land?+
UA400 typically flies from Washington Dulles (IAD) to Chicago O'Hare (ORD). The flight usually takes 1 hour 50 minutes. Check the live arrival time above, or get a text the moment it touches down.
How do I get notified when UA400 lands?+
Enter your phone number above. We'll text you the moment UA400 touches down at O'Hare International Airport. Choose from Essential (takeoff + landing), Standard (mid-flight updates), or Detailed (full journey coverage).
How long after UA400 lands will passengers exit?+
At O'Hare International Airport, passengers typically exit 40-75 minutes international, 15-25 minutes domestic after landing. A SkyText alert gives you time to head to the airport without waiting around.
What is the time difference on the IAD–ORD route?+
Washington is 1 hour ahead of Chicago (Eastern vs Central Time).