Chicago O'Hare (ORD)London Heathrow (LHR)
- non-stop flights:
- 6–11 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesnumber of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3 3 3 3 3 3 3 
2–4 2–4 2–4 1–4 1–4 2–4 2–4 
2–3 2–3 2–3 2–3 2–3 2–3 2–3 
1 0 1 0 1 0 1 Chicago O'Hare (ORD)Glasgow-Prestwick (PIK)
- non-stop flights:
- 2 per week
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesnumber of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
0 1 0 0 1 0 0 Chicago O'Hare (ORD)London (LON)
- non-stop flights:
- 12–22 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesnumber of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
6 6 6 6 6 6 6 
4–8 4–8 4–8 2–8 2–8 4–8 4–8 
4–6 4–6 4–6 4–6 4–6 4–6 4–6 
2 0 2 0 2 0 2 Chicago O'Hare (ORD)Edinburgh (EDI)
- non-stop flights:
- 1 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesnumber of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 1 1 1 1 1 1
Stops
- Direct flight
Destination airport
Airline
- United Airlines
- American Airlines
- British Airways
- Gulf Air
- Air France
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday