Houston to Chicago Flights IAH → ORD

George Bush Intercontinental Houston Airport → Chicago O'Hare International Airport

🇺🇸 Houston, US → 🇺🇸 Chicago, US

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 13m. This route is served by 8 airlines: United, American Airlines, Envoy Air and others. AirportRoutes has tracked 38 daily flights on this route.

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

Daily Flights

927

Miles

2h 13m

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`
Volaris	`VOI`	`Y4`
SkyWest	`SKW`	`OO`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	41	14%
Tuesday	34	12%
Wednesday	35	12%
Thursday	55	19%
Friday	43	15%
Saturday	39	13%
Sunday	44	15%

Pattern Analysis

38 Daily Flights:

UAL1488 RPA3452 UAL2616 ENY3452 UAL1044 UAL343 UAL1528 UAL787 AAL1224 RPA4431 NKS1156 UAL729 UAL1608 UAL1617 UAL1752 UAL2033 UAL2182 UAL2417 ENY4431 UAL467 UAL2677 UAL3042 UAL8130 AAL1168 AAL1273 AAL3308 ENY3308 ENY3350 ENY3672 ENY4719 ENY4749 RPA4719 RPA4749 FFT1882 FFT2263 FFT2565 VOI2263 VOI2565

Data Points: 291
API observations used to build this analysis

Weekdays: 208 flights
Weekend: 83 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`	AAL1224 AAL1168 AAL1273 AAL3308	B738	06:01 6:01 AM (Representative)	M T W T F S S	Feb 14, 2026	Active
Envoy Air `ENY` / `MQ`	ENY3452 ENY4431 ENY3308 ENY3350 ENY3672 ENY4719 ENY4749	E170	06:01 6:01 AM (Representative)	M T W T F S S	Feb 12, 2026	Active
Frontier `FFT` / `F9`	FFT1882 FFT2263 FFT2565	A20N	06:00 6:00 AM (Representative)	M T W T F S S	Dec 28, 2025	Active
Republic `RPA` / `YX`	RPA3452 RPA4431 RPA4719 RPA4749	E75L	08:00 8:00 AM (Representative)	M T W T F S S	Feb 5, 2026	Active
SkyWest `SKW` / `OO`	-	CRJ2	-	M T W T F S S	Aug 28, 2025	Active
Spirit `NKS` / `NK`	NKS1156	A320	05:15 5:15 AM (Representative)	M T W T F S S	Feb 12, 2026	Active
United `UAL` / `UA`	UAL1488 UAL2616 UAL1044 UAL343 UAL1528 UAL787 UAL729 UAL1608 UAL1617 UAL1752 UAL2033 UAL2182 UAL2417 UAL467 UAL2677 UAL3042 UAL8130	B739	05:00 5:00 AM (Representative)	M T W T F S S	Feb 14, 2026	Active
Volaris `VOI` / `Y4`	VOI2263 VOI2565	A321	19:55 7:55 PM (Representative)	M T W T F S S	Dec 25, 2025	Active

Total Routes: 8

Active Routes: 8

Unique Airlines: 8

Aircraft Types: 8

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
05:00 5:00 AM	United	`UAL`	`UA`
05:15 5:15 AM	Spirit	`NKS`	`NK`
06:00 6:00 AM	Frontier	`FFT`	`F9`
06:01 6:01 AM	American Airlines	`AAL`	`AA`
06:01 6:01 AM	Envoy Air	`ENY`	`MQ`
08:00 8:00 AM	Republic	`RPA`	`YX`
19:55 7:55 PM	Volaris	`VOI`	`Y4`

Time Information

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

Total Departure Times: 7

Time Range:
05:00 - 19:55

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