IAH KIAH → BWI KBWI

George Bush Intercontinental Houston Airport → Baltimore/Washington International Thurgood Marshall Airport

🇺🇸 Houston, US → 🇺🇸 Baltimore, US

Departure Airport

George Bush Intercontinental Houston Airport

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

Destination Airport

Baltimore/Washington International Thurgood Marshall Airport

ICAO Code:: KBWI
IATA Code:: BWI
City:: 🇺🇸 Baltimore
Country:: US
Elevation:: 146 ft

5

Operators

3

Daily Flights

1362

Miles

2h 35m

Flight Duration

Route Map

Operating Airlines

Air Transport International, Inc. ICAO: ATN • IATA: 8C

Spirit ICAO: NKS • IATA: NK

United ICAO: UAL • IATA: UA

Frontier ICAO: FFT • IATA: F9

Atlas Air ICAO: GTI • IATA: 5Y

Airline	ICAO	IATA
Air Transport International, Inc.	`ATN`	`8C`
Spirit	`NKS`	`NK`
United	`UAL`	`UA`
Frontier	`FFT`	`F9`
Atlas Air	`GTI`	`5Y`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	21	22%
Tuesday	14	14%
Wednesday	15	15%
Thursday	7	7%
Friday	18	19%
Saturday	11	11%
Sunday	11	11%

Pattern Analysis

3 Daily Flights:

ATN3324 NKS140 NKS710

Data Points: 97
API observations used to build this analysis

Weekdays: 75 flights
Weekend: 22 flights

Business Route More active on weekdays

All Flight Routes

5 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
Air Transport International, Inc. `ATN` / `8C`	ATN3324	B763	05:15 5:15 AM (Representative)	M T W T F S S	Dec 9, 2025	Active
Atlas Air `GTI` / `5Y`	-	B744	-	M T W T F S S	Sep 5, 2025	Active
Frontier `FFT` / `F9`	-	A21N	06:15 6:15 AM (Representative)	M T W T F S S	Nov 30, 2025	Active
Spirit `NKS` / `NK`	NKS140 NKS710	A21N	05:20 5:20 AM (Representative)	M T W T F S S	Dec 9, 2025	Active
United `UAL` / `UA`	-	B737	12:00 12:00 PM (Representative)	M T W T F S S	Nov 25, 2025	Active

Total Routes: 5

Active Routes: 5

Unique Airlines: 5

Aircraft Types: 5

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
05:15 5:15 AM	Air Transport International, Inc.	`ATN`	`8C`
05:20 5:20 AM	Spirit	`NKS`	`NK`
06:15 6:15 AM	Frontier	`FFT`	`F9`
12:00 12:00 PM	United	`UAL`	`UA`

Time Information

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

Total Departure Times: 4

Time Range:
05:15 - 12:00

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