Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

ONT → SEA

929 km avg 1h 35m 3 airlines

Departure

ONT KONT VFR

Ontario International Airport

Ontario, US

Local time
20:41 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
240° / 9 kt
Visibility
10 SM
Ceiling
FEW 15,000 ft, FEW 25,000 ft
Temp / Dew
32°C / 17°C
Altimeter
29.84 inHg

Obs: 2026-08-29T02:53:00.000Z

Raw METAR / TAF 
METAR KONT 290253Z 24009KT 10SM FEW150 FEW250 32/17 A2984 RMK AO2 SLP084 T03170172 50007 $

TAF KONT 282335Z 2900/3006 25012G20KT P6SM SCT090 SCT150 FM290300 25008KT P6SM SCT200 FM290600 VRB04KT P6SM FEW200 FM292000 25012G20KT P6SM BKN200 FM300300 25008KT P6SM SCT200

flight Live Traffic

flight_takeoff 35 Departures
flight_land 33 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
20:41 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
300° / 3 kt
Visibility
10 SM
Ceiling
FEW 5,000 ft, BKN 6,500 ft
Temp / Dew
18°C / 12°C
Altimeter
29.99 inHg

Obs: 2026-08-29T02:53:00.000Z

Raw METAR / TAF 
METAR KSEA 290253Z 30003KT 10SM FEW050 BKN065 18/12 A2999 RMK AO2 SLP160 T01830117 55006 $

TAF KSEA 290308Z 2903/3006 32004KT P6SM FEW050 BKN070 FM290800 19007KT P6SM -SHRA OVC030 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040

flight Live Traffic

flight_takeoff 185 Departures
flight_land 211 Arrivals
Flights tracked
267 showing last 50
Avg duration
1h 35m
Distance
929 km

Live traffic

ONT → SEA. Live aircraft currently filed on this route.

Airlines 3

Airline Flights shown
Delta Air Lines 8
Alaska Airlines 8
Frontier Airlines 6

Recent flights last 50

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-07-26 DAL2579 A32ACF Jul 26, 11:25 UTCJul 26, 12:50 UTC1h 25m -
2026-07-26 DAL2579 A32ACF Jul 26, 11:24 UTCJul 26, 12:46 UTC1h 22m +10m
2026-07-26 ASA1087 A5F825 Jul 26, 00:20 UTCJul 26, 00:45 UTC25m -
2026-07-25 FFT2275 A810BA Jul 25, 23:50 UTCJul 26, 01:55 UTC2h 5m -
2026-07-25 DAL2579 A3EC93 Jul 25, 11:40 UTCJul 25, 13:00 UTC1h 20m -
2026-07-25 DAL2579 A3EC93 Jul 25, 11:39 UTCJul 25, 12:58 UTC1h 19m +3m
2026-07-25 ASA1087 A60701 Jul 25, 00:15 UTCJul 25, 00:40 UTC25m -
2026-07-24 FFT2275 A8EED8 Jul 24, 23:55 UTCJul 25, 02:10 UTC2h 15m -
2026-07-24 DAL2579 A40694 Jul 24, 11:20 UTCJul 24, 12:45 UTC1h 25m -
2026-07-24 ASA1087 A5DBCB Jul 24, 00:30 UTCJul 24, 01:00 UTC30m -
2026-07-24 FFT2275 A89FDA Jul 24, 00:00 UTCJul 24, 02:05 UTC2h 5m -
2026-07-23 DAL2579 A3725A Jul 23, 11:30 UTCJul 23, 13:00 UTC1h 30m -
2026-07-23 ASA1087 A61FA4 Jul 23, 00:20 UTCJul 23, 00:55 UTC35m -
2026-07-22 FFT2275 A8FDB4 Jul 22, 23:10 UTCJul 23, 01:15 UTC2h 5m -
2026-07-22 ASA654 AB79D3 Jul 22, 19:30 UTCJul 22, 21:25 UTC1h 55m +10m
2026-07-22 ASA1087 A60AB8 Jul 22, 02:15 UTCJul 22, 02:45 UTC30m -
2026-07-21 FFT2275 A7EF4B Jul 21, 23:10 UTCJul 22, 01:15 UTC2h 5m -
2026-07-21 FFT2275 A7EF4B Jul 21, 23:22 UTCJul 22, 01:14 UTC1h 52m +7m
2026-07-21 ASA654 A78FFA Jul 21, 19:25 UTCJul 21, 20:55 UTC1h 30m -18m
2026-07-21 DAL2579 A3C514 Jul 21, 11:20 UTCJul 21, 12:45 UTC1h 25m -
2026-07-21 ASA594 A5F3CF Jul 21, 04:41 UTCJul 21, 06:37 UTC1h 56m -4m
2026-07-21 ASA575 A21ED4 Jul 21, 01:12 UTCJul 21, 02:43 UTC1h 31m -17m
2026-07-21 ASA1087 A60701 Jul 21, 00:30 UTCJul 21, 01:00 UTC30m -
2026-07-20 DAL2579 A38C60 Jul 20, 11:30 UTCJul 20, 12:50 UTC1h 20m -
2026-07-20 ASA594 A6F96C Jul 20, 06:56 UTCJul 20, 08:54 UTC1h 58m -8m
2026-07-20 ASA575 AD3C1F Jul 20, 00:46 UTCJul 20, 02:29 UTC1h 43m +10m
2026-07-20 ASA1087 A5E339 Jul 20, 00:20 UTCJul 20, 00:45 UTC25m -
2026-07-19 ASA654 A602AB Jul 19, 19:28 UTCJul 19, 21:08 UTC1h 40m -6m
2026-07-19 SKW4031 A247F0 Jul 19, 01:08 UTCJul 19, 03:06 UTC1h 58m +10m
2026-07-19 ASA1087 A61FA4 Jul 19, 00:20 UTCJul 19, 00:50 UTC30m -
2026-07-18 ASA654 AC5F5F Jul 18, 19:29 UTCJul 18, 21:15 UTC1h 46m +4m
2026-07-17 ASA607 AD639E Jul 17, 13:22 UTCJul 17, 15:16 UTC1h 54m +20m
2026-07-17 ASA594 A6B7EC Jul 17, 05:25 UTCJul 17, 07:25 UTC2h 0m -
2026-07-16 ASA567 A57D52 Jul 16, 23:05 UTCJul 17, 01:09 UTC2h 5m -
2026-07-16 ASA654 AB962D Jul 16, 20:05 UTCJul 16, 21:52 UTC1h 47m +4m
2026-07-16 SKW4070 A33AFA Jul 16, 19:24 UTCJul 16, 21:44 UTC2h 20m +33m
2026-07-15 FFT2275 A8DC45 Jul 15, 23:15 UTCJul 16, 01:15 UTC2h 0m -
2026-07-15 FFT2275 A8DC45 Jul 15, 23:22 UTCJul 16, 01:12 UTC1h 50m +8m
2026-07-15 ASA567 A2B1AB Jul 15, 21:28 UTCJul 15, 23:09 UTC1h 41m -3m
2026-07-15 SKW4070 A34C2F Jul 15, 19:22 UTCJul 15, 21:17 UTC1h 55m +8m
2026-07-15 SKW4070 A231A6 Jul 15, 04:05 UTCJul 15, 06:05 UTC2h 0m -
2026-07-14 ASA654 AB148B Jul 14, 19:53 UTCJul 14, 21:35 UTC1h 42m +2m
2026-07-14 SKW3816 A2D359 Jul 14, 13:30 UTCJul 14, 15:30 UTC2h 0m -
2026-07-14 ASA594 AAE59E Jul 14, 07:26 UTCJul 14, 09:12 UTC1h 46m on time
2026-07-14 FFT2275 A88737 Jul 14, 03:50 UTCJul 14, 05:45 UTC1h 55m -
2026-07-13 SKW4070 A33743 Jul 13, 19:10 UTCJul 13, 21:05 UTC1h 55m -
2026-07-13 SKW4070 A33743 Jul 13, 19:16 UTCJul 13, 21:05 UTC1h 49m +6m
2026-07-13 SKW4031 A33743 Jul 13, 01:21 UTCJul 13, 03:11 UTC1h 50m +7m
2026-07-12 ASA654 A28DE3 Jul 12, 19:28 UTCJul 12, 21:05 UTC1h 37m +13m
2026-07-12 SKW3816 A2FAD8 Jul 12, 13:36 UTCJul 12, 15:32 UTC1h 56m +13m

ONT → SEA frequently asked

How long is the flight from ONT to SEA?
Average flight time on the ONT–SEA route is 1h 35m, covering approximately 929 km (577 mi).
What is the distance from ONT to SEA?
The great-circle distance from ONT to SEA is approximately 929 km (577 miles).
Which airlines fly from ONT to SEA?
3 airlines operate this route in our records: Delta Air Lines, Alaska Airlines, Frontier Airlines.
How many flights per week from ONT to SEA?
We've observed ~3 flights per day on this route across our tracking data (267 total flights recorded).
Can I track ONT–SEA flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.