Ontario to Seattle Flights ONT → BFI

Ontario International Airport → Boeing Field King County International Airport

🇺🇸 Ontario, US → 🇺🇸 Seattle, US

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). This route is operated by UPS Airlines.

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

Routes Tracked

963

Miles

-

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United Parcel Service UPS 5X

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 1 33%
Tuesday 0 0%
Wednesday 2 67%
Thursday 0 0%
Friday 0 0%
Saturday 0 0%
Sunday 0 0%

Pattern Analysis

Data Points: 3
API observations used to build this analysis
Weekdays: 3 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 -
M T W T F S S
Jul 23, 2025 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 2

Spotted Departure Times

No departure times available

Departure times will be populated as flight data is collected for this route.