The contributors of Flight-Report published 6 reviews of 2 airlines on the route Chicago - Chicago O'Hare (ORD) → Frankfurt - Frankfurt am Main (FRA). The airline scoring the best average grade is Lufthansa with 7.4/10. The average flight time is 8 hours and 2 minutes.
Airlines on the route are:
Frequent travellers recommend the lounge "United Polaris Lounge" of ORD for ses divertissements and son confort.