Nonstop flights from Chicago to Houston

3 airlines fly this route, with up to 21 flights a day.

ORDChicago O'Hare International

926 mi · 136 flights a week · about 2h 55m

IAHHouston George Bush Intercontinental

ORDIAH

When they leave

Chicago time

5:30a10:15pFirst departure 5:30 AM, last 10:15 PM

12 in the morning, 5:30 AM to 11:00 AM, then six in the afternoon, 12:40 PM to 4:07 PM, then 10 in the evening, 5:10 PM to 10:15 PM.

Every flight

Earliest first

5:30 AM→8:19 AMUnited AirlinesBoeing 737 MAX 9 · 2h 49mThu, Fri, Sat
5:30 AM→8:25 AMUnited AirlinesAirbus A321neo · 2h 56mMon, Tue, Wed, Sun
6:00 AM→8:53 AMUnited AirlinesBoeing 737 · 2h 53mSun
6:25 AM→9:14 AMUnited AirlinesAirbus A321neo · 2h 49mThu, Fri, Sat
6:55 AM→9:50 AMUnited AirlinesBoeing 757 · 2h 55mMon, Tue, Wed, Sun
7:21 AM→10:14 AMAmerican AirlinesAirbus A319 · 2h 53mDaily
7:29 AM→10:32 AMUnited AirlinesAirbus A321neo · 3h 3mMon, Tue, Wed, Sun
7:30 AM→10:23 AMUnited AirlinesAirbus A321neo · 2h 53mThu, Fri, Sat
7:40 AM→10:39 AMFrontier AirlinesAirbus A321neo · 2h 59mDaily
9:15 AM→12:18 PMUnited AirlinesAirbus A321neo · 3h 3mDaily
10:32 AM→1:28 PMUnited AirlinesAirbus A321neo · 2h 56mThu, Fri, Sat
10:34 AM→1:35 PMUnited AirlinesAirbus A321neo · 3h 1mMon, Tue, Wed, Sun
11:00 AM→1:51 PMAmerican AirlinesBoeing 737 · 2h 51mDaily
12:40 PM→3:40 PMUnited AirlinesAirbus A321neo · 3hDaily
1:50 PM→4:43 PMAmerican AirlinesAirbus A319 · 2h 53mDaily
2:10 PM→5:11 PMUnited AirlinesAirbus A321neo · 3h 1mThu, Fri, Sat
2:22 PM→5:25 PMUnited AirlinesAirbus A321neo · 3h 3mMon, Tue, Wed, Sun
3:13 PM→6:07 PMAmerican AirlinesAirbus A319 · 2h 54mDaily
4:07 PM→7:10 PMUnited AirlinesAirbus A321neo · 3h 3mDaily
5:10 PM→8:06 PMAmerican AirlinesAirbus A319 · 2h 56mDaily
5:27 PM→8:27 PMUnited AirlinesBoeing 737 · 3hMon, Tue, Wed, Sun
5:53 PM→8:47 PMUnited AirlinesAirbus A321neo · 2h 54mThu, Fri, Sat
6:29 PM→9:20 PMUnited AirlinesBoeing 737 MAX 9 · 2h 51mThu, Fri, Sat
6:30 PM→9:36 PMUnited AirlinesAirbus A321neo · 3h 6mMon, Tue, Wed, Sun
7:55 PM→10:53 PMUnited AirlinesA321neo or 737 MAX 9 · 2h 58mDaily
9:20 PM→12:11 AM⁺¹United AirlinesBoeing 737 MAX 9 · 2h 51mSat
9:35 PM→12:29 AM⁺¹United AirlinesAirbus A321neo · 2h 55mDaily
9:42 PM→12:36 AM⁺¹American AirlinesBoeing 737 · 2h 54mDaily
10:15 PM→12:59 AM⁺¹United AirlinesBoeing 737 · 2h 44mSat

Schedules last checked Oct 1, 2026. Times are local.

Flying from Chicago to Houston

United Airlines flies most often, 12 to 14 times a day on the Airbus A321neo, Boeing 737, Boeing 737 MAX 9 and Boeing 757. American Airlines flies 6 times a day on the Airbus A319 and Boeing 737. Frontier Airlines flies daily on the Airbus A321neo.

Flights run every day of the week, from 19 on Mondays, Tuesdays, Wednesdays, Thursdays and Fridays to 21 on Saturdays. The first arrival in Houston is at 8:19 AM and the last at 12:59 AM the next day. The flight covers 926 miles, and scheduled flight times run from 2h 44m to 3h 6m.

Flying back, Houston to Chicago has 126 nonstop flights a week.