Nonstop flights from Houston to Chicago

3 airlines fly this route, with up to 18 flights a day.

IAHHouston George Bush Intercontinental

926 mi · 126 flights a week

ORDChicago O'Hare International

IAHORD

When they leave

Houston time

5:00a10:19pFirst departure 5:00 AM, last 10:19 PM

Eight in the morning, 5:00 AM to 11:55 AM, then six in the afternoon, 12:53 PM to 4:40 PM, then six in the evening, 5:06 PM to 10:19 PM.

Every flight

Earliest first

5:00 AM→7:55 AMUnited AirlinesBoeing 737 MAX 9Daily
6:07 AM→9:05 AMAmerican AirlinesBoeing 737-800Daily
6:15 AM→9:09 AMUnited AirlinesAirbus A321neoDaily
7:20 AM→10:15 AMUnited AirlinesBoeing 737 MAX 9Daily
8:25 AM→11:20 AMUnited AirlinesBoeing 737Daily
9:30 AM→12:25 PMUnited AirlinesBoeing 737 MAX 9Daily
11:24 AM→2:19 PMAmerican AirlinesAirbus A319Daily
11:55 AM→2:50 PMUnited AirlinesBoeing 737Daily
12:53 PM→3:59 PMFrontier AirlinesAirbus A321neoTue, Wed
1:01 PM→4:01 PMAmerican AirlinesBoeing 737Tue
1:16 PM→4:16 PMAmerican AirlinesBoeing 737Mon, Wed, Thu, Fri, Sat, Sun
1:45 PM→4:40 PMUnited AirlinesAirbus A321neoDaily
3:34 PM→6:30 PMUnited AirlinesAirbus A321neoDaily
4:40 PM→7:44 PMAmerican AirlinesBoeing 737Daily
5:06 PM→8:04 PMUnited AirlinesAirbus A321neoDaily
6:37 PM→9:46 PMAmerican AirlinesAirbus A319Daily
6:40 PM→9:32 PMUnited AirlinesAirbus A321neoDaily
8:35 PM→11:26 PMUnited AirlinesBoeing 737Daily
9:42 PM→12:33 AM⁺¹Frontier AirlinesAirbus A321neoMon, Thu, Fri, Sat, Sun
10:19 PM→12:59 AM⁺¹United AirlinesBoeing 737 MAX 9Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from Houston to Chicago

United Airlines flies most often, 12 times a day on the Airbus A321neo, Boeing 737 MAX 9 and Boeing 737. American Airlines flies 5 times a day on the Boeing 737, Airbus A319 and Boeing 737-800. Frontier Airlines flies daily on the Airbus A321neo.

There are 18 flights every day of the week. The first arrival in Chicago is at 7:55 AM and the last at 12:59 AM the next day. The flight covers 926 miles.

Flying back, Chicago to Houston has 136 nonstop flights a week.