The contributors of Flight-Report published 2 reviews on 2 airlines on the route Chicago - Chicago O'Hare (ORD) → Greensboro - Piedmont Triad (GSO). The airline with the best average rating is American Airlines with 7.2/10. The average flight time is 1 hours and 51 minutes.
Airlines on this route are:
Frequent travelers recommend "United Club (Concourse F)" at ORD for comfort and services.
The airport of Chicago (ORD) is rated as moderately efficient (security/immigration/police checks); make sure to arrive with sufficient time.
Access from the airport of Greensboro (GSO) is rated as difficult; expect delays and plan in advance.