United Flight UA3531 Deals & Information (2024/2025)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3531 Route Deals From $200

The cheapest prices found with in the last 7 days for return flights were $159 and $200 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

More United Flight For This Route

CarrierFlightDepart DLHArrive ORDMon
5/6
Tue
5/7
Wed
5/8
Thu
5/9
Fri
5/10
Sat
5/11
Sun
5/12
Stops
UA358907:51 am09:42 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA553811:20 am01:12 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA353103:15 pm05:06 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

What route does flight number UA3531 take?
UA3531 is used on multiple routes, but the most common is between ORD and Louisville, KY Airport (SDF-Louisville Intl.). If on a direct flight, you’ll stroll through arrivals in approximately 1 hour and 24 minutes. Multi-stop flights can also travel under this number, as can flights on other routes.
What terminal does UA3531 fly out of?
If you’re heading off from Chicago, IL Airport (ORD-O’Hare Intl.), there’s an excellent chance you’ll board from Terminal 2. The most frequented route for flight number UA3531 is O’Hare Airport to Louisville Muhammad Ali Intl. Airport, which is a nonstop flight.
What kind of plane is on flight number UA3531?
If you’ve booked a ticket on flight UA3531 from O’Hare Intl. Airport (ORD) to Louisville, KY Airport (SDF-Louisville Intl.), you’re likely to be heading off on the Embraer 170. This flight number serves numerous routes, but this is the most common one.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA3531 flight with Travelocity, please visit our Customer Service Portal.