🇺🇸 ONT
Ontario
963 mi
BFI 🇺🇸
Seattle

Ontario to Seattle Flights

Ontario International Airport Boeing Field King County International Airport 1 airline

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The Ontario to Seattle route connects Ontario International Airport (ONT) in US with Boeing Field King County International Airport (BFI) in US. This short-haul flight covers approximately 963 miles (1550 km) with a typical flight time of 2h 11m. This route is operated by UPS Airlines. AirportRoutes has tracked 2 unique flight numbers on this route.

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Departure Airport

Ontario International Airport

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

Destination Airport

Boeing Field King County International Airport

ICAO Code:
KBFI
IATA Code:
BFI
City:
🇺🇸 Seattle
Country:
US
Elevation:
21 ft

1

Operator

2

Tracked Flights

963

Miles

2h 11m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United Parcel Service UPS 5X

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 3 23%
Wednesday 6 46%
Thursday 3 23%
Friday 1 8%
Saturday 0 0%
Sunday 0 0%

Pattern Analysis

2 Tracked Flights:
Data Points: 13
API observations used to build this analysis
Weekdays: 13 flights
Weekend: 0 flights

All Flight Routes

1 Route
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
B763 01:50 1:50 AM (Representative)
M T W T F S S
Jul 28, 2026 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 1

Spotted Departure Times

Departure Time Operator ICAO IATA
01:50 1:50 AM United Parcel Service UPS 5X

Time Information

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

Total Departure Times: 1
Time Range:
01:50 - 01:50
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.