Birmingham-Alabama (BHM)Chicago O'Hare (ORD)
- non-stop flights:
- 6–12 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $298number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–5 3–5 3–6 3–6 3–6 3–5 3–6 
3–5 3–5 3–5 3–5 3–5 3–6 3–6 Nashville (BNA)Chicago O'Hare (ORD)
- non-stop flights:
- 20–39 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $194number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
14–23 14–23 14–23 14–23 13–23 16–21 15–23 
7–16 7–16 7–16 7–16 7–16 8–15 7–15 Burlington (BTV)Chicago O'Hare (ORD)
- non-stop flights:
- 6–12 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $278number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4–9 4–9 4–9 4–9 4–9 4–9 4–9 
2–3 2–3 2–3 2–3 2–3 2–3 2–3 Chattanooga (CHA)Chicago O'Hare (ORD)
- non-stop flights:
- 8–16 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $223number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
6–11 6–11 6–11 6–11 6–11 6–11 6–11 
2–4 2–4 2–4 2–4 2–4 2–4 2–5 Champaign (CMI)Chicago O'Hare (ORD)
- non-stop flights:
- 6–8 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $246number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4 4 4 4 4 3–4 4 
3–4 2–3 3–4 3–4 3–4 3–4 3–4 Minneapolis (MSP)Chicago O'Hare (ORD)
- non-stop flights:
- 23–44 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $221number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
9–16 9–15 9–15 9–16 9–16 11–17 10–16 
7–12 7–14 7–14 7–14 7–14 8–14 7–12 
6–10 6–11 6–10 6–11 6–11 5–11 6–11 
1–2 1 1 1–2 1–2 1 1 
1 0 0 1 0 1 1 Phoenix - Sky Harbor (PHX)Chicago O'Hare (ORD)
- non-stop flights:
- 26–60 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $185number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
15–40 15–39 15–39 15–40 15–40 15–39 15–40 
10–14 10–14 10–14 10–14 10–17 10–14 10–14 
1–3 2 2 1–3 1–3 1–2 1–3 Columbia (COU)Chicago O'Hare (ORD)
- non-stop flights:
- 5–9 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $240number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–5 3–5 3–5 3–5 3–5 3–5 2–4 
3–4 3–4 3–4 3–4 3–4 2–4 3–4
Stops
- Direct flight
Departure airport
Airline
- American Airlines
- United Airlines
- Frontier Airlines
- Spirit Airlines
- Delta Air Lines
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday