The contributors of Flight-Report published 9 reviews on 3 airlines on the route Tokyo - Narita (NRT) → Chicago - Chicago O'Hare (ORD). The airline with the best average rating is Japan Airlines with 8.1/10. The average flight time is 11 hours and 38 minutes.
Airlines on this route are:
Frequent travelers recommend "JAL First Lounge" at NRT for services and meals/catering.
The airport of Chicago (ORD) is rated as being moderately efficient (security/immigration/police checks); be patient.