DEN KDEN → ONT KONT

Denver International Airport → Ontario International Airport

🇺🇸 Denver, US → 🇺🇸 Ontario, US

Departure Airport

Denver International Airport

ICAO Code:: KDEN
IATA Code:: DEN
City:: 🇺🇸 Denver
Country:: US
Elevation:: 5431 ft

Destination Airport

Ontario International Airport

ICAO Code:: KONT
IATA Code:: ONT
City:: 🇺🇸 Ontario
Country:: US
Elevation:: 944 ft

7

Operators

3

Daily Flights

818

Miles

1h 59m

Flight Duration

Route Map

Operating Airlines

United Parcel Service ICAO: UPS • IATA: 5X

Southwest ICAO: SWA • IATA: WN

Frontier ICAO: FFT • IATA: F9

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

FedEx ICAO: FDX • IATA: FX

United ICAO: UAL • IATA: UA

Volaris ICAO: VOI • IATA: Y4

Airline	ICAO	IATA
United Parcel Service	`UPS`	`5X`
Southwest	`SWA`	`WN`
Frontier	`FFT`	`F9`
Air Transport International, Inc.	`ATN`	`8C`
FedEx	`FDX`	`FX`
United	`UAL`	`UA`
Volaris	`VOI`	`Y4`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	3	4%
Tuesday	19	26%
Wednesday	21	29%
Thursday	11	15%
Friday	4	6%
Saturday	7	10%
Sunday	7	10%

Pattern Analysis

3 Daily Flights:

FFT2182 ATN3331 VOI2182

Data Points: 72
API observations used to build this analysis

Weekdays: 58 flights
Weekend: 14 flights

Business Route More active on weekdays

All Flight Routes

7 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`	ATN3331	B763	09:16 9:16 AM (Representative)	M T W T F S S	Dec 2, 2025	Active
FedEx `FDX` / `FX`	-	A306	04:39 4:39 AM (Representative)	M T W T F S S	Nov 26, 2025	Active
Frontier `FFT` / `F9`	FFT2182	A320	22:29 10:29 PM (Representative)	M T W T F S S	Dec 2, 2025	Active
Southwest `SWA` / `WN`	-	B38M	07:50 7:50 AM (Representative)	M T W T F S S	Nov 29, 2025	Active
United `UAL` / `UA`	-	B738	-	M T W T F S S	Sep 8, 2025	Active
United Parcel Service `UPS` / `5X`	-	B763	05:20 5:20 AM (Representative)	M T W T F S S	Nov 26, 2025	Active
Volaris `VOI` / `Y4`	VOI2182	A320	22:29 10:29 PM (Representative)	M T W T F S S	Dec 2, 2025	Active

Total Routes: 7

Active Routes: 7

Unique Airlines: 7

Aircraft Types: 7

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
04:39 4:39 AM	FedEx	`FDX`	`FX`
05:20 5:20 AM	United Parcel Service	`UPS`	`5X`
07:50 7:50 AM	Southwest	`SWA`	`WN`
09:16 9:16 AM	Air Transport International, Inc.	`ATN`	`8C`
22:29 10:29 PM	Frontier	`FFT`	`F9`
22:29 10:29 PM	Volaris	`VOI`	`Y4`

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 6

Time Range:
04:39 - 22:29

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