United Flight NK3533 Deals & Information (2025/2026)

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United Flight 3533 Route Deals From $61

The cheapest prices found with in the last 7 days for return flights were $104 and $61 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA3533 take?
UA3533 flies directly between Chicago, IL Airport (ORD-O'Hare Intl.) and Philadelphia Airport in approximately 2 hours and 10 minutes. It can sometimes take other routes though, some of which may be multi-stop trips. Keep this in mind when locking in your seat to avoid any confusion.
What terminal does UA3533 fly out of?
Terminal 2 is the terminal you'll likely jet off from if you're booked on a flight leaving from Chicago, IL Airport (ORD-O'Hare Intl.). ORD to Philadelphia Airport is the most frequently traveled route for flight number UA3533.
What kind of plane is on flight number UA3533?
UA3533 is a flight number that is used on multiple routes. If you've booked a ticket on its most popular one, ORD to Philadelphia Airport, you're likely to be cruising aboard an Embraer 170.
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 UA3533 flight with Travelocity, please visit our Customer Service Portal.