Chicago to Houston Flights (ORD-IAH)

🇺🇸 ORD

Chicago

927 mi

IAH 🇺🇸

Houston

Chicago O'Hare International Airport George Bush Intercontinental Houston Airport 13 airlines

The Chicago to Houston route connects Chicago O'Hare International Airport (ORD) in US with George Bush Intercontinental Houston Airport (IAH) in US. This short-haul flight covers approximately 927 miles (1492 km) with a typical flight time of 2h 32m. This route is served by 13 airlines: United, Envoy Air, Republic and others. AirportRoutes has tracked 28 unique flight numbers on this route.

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Departure Airport

Chicago O'Hare International Airport

ICAO Code:: KORD
IATA Code:: ORD
City:: 🇺🇸 Chicago
Country:: US
Elevation:: 680 ft

Destination Airport

George Bush Intercontinental Houston Airport

ICAO Code:: KIAH
IATA Code:: IAH
City:: 🇺🇸 Houston
Country:: US
Elevation:: 97 ft

Operators

Tracked Flights

927

Miles

2h 32m

Flight Duration

Route Map

Great Circle

Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline	ICAO	IATA
United	`UAL`	`UA`
Envoy Air	`ENY`	`MQ`
Republic	`RPA`	`YX`
American Airlines	`AAL`	`AA`
Frontier	`FFT`	`F9`
Qatar Airways	`QTR`	`QR`
Turkish Airlines	`THY`	`TK`
Volaris	`VOI`	`Y4`
Atlas Air	`GTI`	`5Y`
Emirates	`UAE`	`EK`
Spirit	`NKS`	`NK`
SkyWest	`SKW`	`OO`
CommuteAir	`UCA`	`C5`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	16	15%
Tuesday	18	17%
Wednesday	15	14%
Thursday	19	18%
Friday	13	12%
Saturday	13	12%
Sunday	14	13%

Pattern Analysis

28 Tracked Flights:

Data Points: 108
API observations used to build this analysis

Weekdays: 81 flights
Weekend: 27 flights

Business Route More active on weekdays

All Flight Routes

13 Routes

Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.

Airline	Flight Numbers	Aircraft Type	Typical Time	Days Active	Last Seen	Status
Atlas Air `GTI` / `5Y`	-	-	-	M T W T F S S	Jun 18, 2026	Active
American Airlines `AAL` / `AA`		B738	21:07 9:07 PM (Representative)	M T W T F S S	Jun 18, 2026	Active
Emirates `UAE` / `EK`		B77L	04:10 4:10 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Envoy Air `ENY` / `MQ`		E170	13:44 1:44 PM (Representative)	M T W T F S S	Jun 18, 2026	Active
Frontier `FFT` / `F9`		A321	05:11 5:11 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Spirit `NKS` / `NK`		A321	08:59 8:59 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Qatar Airways `QTR` / `QR`	-	B77L	-	M T W T F S S	Jun 18, 2026	Active
Republic `RPA` / `YX`		E75L	13:24 1:24 PM (Representative)	M T W T F S S	Jun 18, 2026	Active
SkyWest `SKW` / `OO`		E170	05:45 5:45 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Turkish Airlines `THY` / `TK`	-	B77L	03:10 3:10 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
CommuteAir `UCA` / `C5`		E145	23:50 11:50 PM (Representative)	M T W T F S S	Jun 18, 2026	Active
United `UAL` / `UA`		B739	05:30 5:30 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Volaris `VOI` / `Y4`		A320	16:47 4:47 PM (Representative)	M T W T F S S	Jun 18, 2026	Active

Total Routes: 13

Active Routes: 13

Unique Airlines: 13

Aircraft Types: 12

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
03:10 3:10 AM	Turkish Airlines	`THY`	`TK`
04:10 4:10 AM	Emirates	`UAE`	`EK`
05:11 5:11 AM	Frontier	`FFT`	`F9`
05:30 5:30 AM	United	`UAL`	`UA`
05:45 5:45 AM	SkyWest	`SKW`	`OO`
08:59 8:59 AM	Spirit	`NKS`	`NK`
13:24 1:24 PM	Republic	`RPA`	`YX`
13:44 1:44 PM	Envoy Air	`ENY`	`MQ`
16:47 4:47 PM	Volaris	`VOI`	`Y4`
21:07 9:07 PM	American Airlines	`AAL`	`AA`
23:50 11:50 PM	CommuteAir	`UCA`	`C5`

Time Information

Times are shown in the departure airport's local timezone (KORD - America/Chicago).

Total Departure Times: 11

Time Range:
03:10 - 23:50

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.

Chicago to Houston Flights

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