Houston to Chicago Flights (IAH-ORD)

🇺🇸 IAH

Houston

927 mi

ORD 🇺🇸

Chicago

George Bush Intercontinental Houston Airport Chicago O'Hare International Airport 8 airlines

The Houston to Chicago route connects George Bush Intercontinental Houston Airport (IAH) in US with Chicago O'Hare International Airport (ORD) in US. This short-haul flight covers approximately 927 miles (1492 km) with a typical flight time of 2h 17m. This route is served by 8 airlines: United, American Airlines, Envoy Air and others. AirportRoutes has tracked 53 unique flight numbers on this route.

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Departure Airport

George Bush Intercontinental Houston Airport

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

Destination Airport

Chicago O'Hare International Airport

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

Operators

Tracked Flights

927

Miles

2h 17m

Flight Duration

Route Map

Great Circle

Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline	ICAO	IATA
United	`UAL`	`UA`
American Airlines	`AAL`	`AA`
Envoy Air	`ENY`	`MQ`
Republic	`RPA`	`YX`
Spirit	`NKS`	`NK`
Frontier	`FFT`	`F9`
SkyWest	`SKW`	`OO`
Volaris	`VOI`	`Y4`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	55	16%
Tuesday	43	12%
Wednesday	42	12%
Thursday	64	18%
Friday	49	14%
Saturday	48	14%
Sunday	51	14%

Pattern Analysis

53 Tracked Flights:

Data Points: 352
API observations used to build this analysis

Weekdays: 253 flights
Weekend: 99 flights

Business Route More active on weekdays

All Flight Routes

8 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
American Airlines `AAL` / `AA`		B739	22:08 10:08 PM (Representative)	M T W T F S S	Jul 2, 2026	Active
Envoy Air `ENY` / `MQ`		E170	07:59 7:59 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Frontier `FFT` / `F9`		A20N	06:00 6:00 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Republic `RPA` / `YX`		E75L	08:00 8:00 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
SkyWest `SKW` / `OO`	-	CRJ2	-	M T W T F S S	Jul 2, 2026	Active
Spirit `NKS` / `NK`		A21N	05:15 5:15 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
United `UAL` / `UA`		A21N	06:10 6:10 AM (Representative)	M T W T F S S	Jul 2, 2026	Active
Volaris `VOI` / `Y4`		A321	19:55 7:55 PM (Representative)	M T W T F S S	Jul 2, 2026	Active

Total Routes: 8

Active Routes: 8

Unique Airlines: 8

Aircraft Types: 8

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
05:15 5:15 AM	Spirit	`NKS`	`NK`
06:00 6:00 AM	Frontier	`FFT`	`F9`
06:10 6:10 AM	United	`UAL`	`UA`
07:59 7:59 AM	Envoy Air	`ENY`	`MQ`
08:00 8:00 AM	Republic	`RPA`	`YX`
19:55 7:55 PM	Volaris	`VOI`	`Y4`
22:08 10:08 PM	American Airlines	`AAL`	`AA`

Time Information

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

Total Departure Times: 7

Time Range:
05:15 - 22:08

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

Houston to Chicago Flights

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