IAH KIAH → ORD KORD

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

🇺🇸 Houston, US → 🇺🇸 Chicago, US

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

8

Operators

13

Daily Flights

995

Miles

2h 15m

Flight Duration

Route Map

Operating Airlines

United ICAO: UAL • IATA: UA

American Airlines ICAO: AAL • IATA: AA

Envoy Air ICAO: ENY • IATA: MQ

Republic ICAO: RPA • IATA: YX

Spirit ICAO: NKS • IATA: NK

Frontier ICAO: FFT • IATA: F9

SkyWest ICAO: SKW • IATA: OO

Volaris ICAO: VOI • IATA: Y4

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	28	13%
Tuesday	26	12%
Wednesday	26	12%
Thursday	38	18%
Friday	28	13%
Saturday	28	13%
Sunday	36	17%

Pattern Analysis

13 Daily Flights:

UAL343 UAL2033 UAL787 UAL1752 AAL1168 AAL3308 ENY3308 ENY4719 ENY4749 RPA4719 RPA4749 FFT2263 VOI2263

Data Points: 210
API observations used to build this analysis

Weekdays: 146 flights
Weekend: 64 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`	AAL1168 AAL3308	A321	18:37 6:37 PM (Representative)	M T W T F S S	Dec 9, 2025	Active
Envoy Air `ENY` / `MQ`	ENY3308 ENY4719 ENY4749	E75L	11:34 11:34 AM (Representative)	M T W T F S S	Dec 10, 2025	Active
Frontier `FFT` / `F9`	FFT2263	A321	20:58 8:58 PM (Representative)	M T W T F S S	Dec 6, 2025	Active
Republic `RPA` / `YX`	RPA4719 RPA4749	E75S	11:34 11:34 AM (Representative)	M T W T F S S	Dec 10, 2025	Active
SkyWest `SKW` / `OO`	-	CRJ2	-	M T W T F S S	Aug 28, 2025	Active
Spirit `NKS` / `NK`	-	A321	-	M T W T F S S	Sep 22, 2025	Active
United `UAL` / `UA`	UAL343 UAL2033 UAL787 UAL1752	B39M	05:00 5:00 AM (Representative)	M T W T F S S	Dec 9, 2025	Active
Volaris `VOI` / `Y4`	VOI2263	A321	20:58 8:58 PM (Representative)	M T W T F S S	Dec 6, 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`
11:34 11:34 AM	Envoy Air	`ENY`	`MQ`
11:34 11:34 AM	Republic	`RPA`	`YX`
18:37 6:37 PM	American Airlines	`AAL`	`AA`
20:58 8:58 PM	Frontier	`FFT`	`F9`
20:58 8:58 PM	Volaris	`VOI`	`Y4`

Time Information

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

Total Departure Times: 6

Time Range:
05:00 - 20:58

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