United Flight 4537 Deals & Information (2025/2026)

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United Flight 4537 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $207 and $224 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number UA4537 take?
UA4537 takes numerous routes. The most frequently flown is between O'Hare Airport and Piedmont Triad Intl. Airport (GSO), which flies direct. This service usually takes 1 hour and 48 minutes. That said, you might find other flights with the same number that have one or more stops.
What terminal does UA4537 fly out of?
You'll likely depart from Terminal 1 if you're setting off from O'Hare Airport. Flight number UA4537 serves a variety of routes, but the direct flight between ORD and GSO is the most frequently traveled one.
What kind of plane is on flight number UA4537?
There's every chance you'll be on board a Canadair (Bombardier) Regional Jet 550 if you're flying from Chicago, IL Airport (ORD-O'Hare Intl.) to PTI Airport, the most popular route for flight number UA4537.
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 UA4537 flight with Travelocity, please visit our Customer Service Portal.