Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

ONT → SEA

1,540 km avg 2h 1m 2 airlines

Departure

ONT KONT VFR

Ontario International Airport

Ontario, US

Local time
04:47 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
21°C / 15°C
Altimeter
29.97 inHg

Obs: 2026-07-14T10:53:00.000Z

Raw METAR / TAF 
METAR KONT 141053Z 24005KT 10SM CLR 21/15 A2997 RMK AO2 SLP133 T02110150 $

TAF KONT 140520Z 1406/1512 VRB04KT P6SM FEW150 FM142000 25012G20KT P6SM FEW200 FM150300 25007KT P6SM SKC FM150700 VRB04KT P6SM SKC

flight Live Traffic

flight_takeoff 48 Departures
flight_land 35 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
04:47 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
350° / 3 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
14°C / 8°C
Altimeter
30.08 inHg

Obs: 2026-07-14T10:53:00.000Z

Raw METAR / TAF 
METAR KSEA 141053Z 35003KT 10SM SCT250 14/08 A3008 RMK AO2 SLP189 T01390078 $

TAF KSEA 141120Z 1412/1518 01005KT P6SM SKC FM141900 31008KT P6SM SKC FM150700 36004KT P6SM BKN120

flight Live Traffic

flight_takeoff 230 Departures
flight_land 230 Arrivals
Flights tracked
224 showing last 50
Avg duration
2h 1m
Distance
1,540 km

Live traffic

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

Airlines 2

Airline Flights shown
Frontier Airlines 11
Delta Air Lines 1

Other connections

More destinations from ONT

More origins to SEA

Recent flights last 50

DateFlightAircraftTakeoffLandingDurationArr Δ
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
2026-07-12 SKW4031 A30246 Jul 12, 01:09 UTCJul 12, 02:58 UTC1h 49m +5m
2026-07-11 ASA567 AD3C1F Jul 11, 21:50 UTCJul 11, 23:40 UTC1h 50m +1m
2026-07-11 SKW3816 A32C1E Jul 11, 13:25 UTCJul 11, 15:35 UTC2h 10m -
2026-07-11 SKW3816 A32C1E Jul 11, 13:29 UTCJul 11, 15:22 UTC1h 53m +6m
2026-07-10 ASA594 A9AEBC Jul 10, 04:40 UTCJul 10, 06:40 UTC2h 0m -
2026-07-10 ASA594 A9AEBC Jul 10, 04:36 UTCJul 10, 06:35 UTC1h 59m -5m
2026-07-09 ASA567 A682EF Jul 9, 21:45 UTCJul 9, 23:46 UTC2h 1m +7m
2026-07-08 FFT2275 A81E38 Jul 8, 23:10 UTCJul 9, 01:20 UTC2h 10m -
2026-07-08 ASA567 A30460 Jul 8, 21:36 UTCJul 8, 23:39 UTC2h 3m -1m
2026-07-08 ASA654 A70AA1 Jul 8, 19:10 UTCJul 8, 21:13 UTC2h 3m -11m
2026-07-06 ASA654 AB0356 Jul 6, 19:09 UTCJul 6, 21:03 UTC1h 54m +13m
2026-07-03 ASA567 AD639E Jul 3, 21:19 UTCJul 3, 23:33 UTC2h 14m +4m
2026-07-02 FFT2275 A850DC Jul 2, 23:16 UTCJul 3, 01:25 UTC2h 9m +12m
2026-07-02 ASA575 A1EFE7 Jul 2, 01:19 UTCJul 2, 03:20 UTC2h 1m +2m
2026-07-01 ASA654 AB0356 Jul 1, 19:24 UTCJul 1, 21:29 UTC2h 5m on time
2026-07-01 SKW3816 A2E5EC Jul 1, 13:31 UTCJul 1, 15:55 UTC2h 24m +22m
2026-06-29 SKW3816 A2E5EC Jun 29, 13:29 UTCJun 29, 15:49 UTC2h 20m +19m
2026-06-29 ASA575 A97C18 Jun 29, 00:47 UTCJun 29, 02:47 UTC2h 0m -5m
2026-06-28 ASA654 A52E54 Jun 28, 19:23 UTCJun 28, 21:23 UTC2h 0m -6m
2026-06-27 FFT2275 A7FE27 Jun 27, 23:30 UTCJun 28, 01:42 UTC2h 12m +8m
2026-06-25 SKW3816 A32867 Jun 25, 13:30 UTCJun 25, 15:49 UTC2h 19m +20m
2026-06-23 FFT2275 A80595 Jun 23, 23:14 UTCJun 24, 01:24 UTC2h 10m -
2026-06-23 FFT2275 A80595 Jun 23, 23:16 UTCJun 24, 01:22 UTC2h 6m +7m
2026-06-23 ASA575 AC7A5B Jun 23, 01:10 UTCJun 23, 03:20 UTC2h 10m -
2026-06-22 FFT2275 A8D635 Jun 22, 23:10 UTCJun 23, 01:15 UTC2h 5m -
2026-06-22 ASA654 A7B3C2 Jun 22, 19:24 UTCJun 22, 21:18 UTC1h 54m on time
2026-06-21 FFT2275 A8C3A2 Jun 21, 23:10 UTCJun 22, 01:19 UTC2h 10m -
2026-06-21 FFT2275 A8C3A2 Jun 21, 23:16 UTCJun 22, 01:19 UTC2h 3m +7m
2026-06-21 ASA567 A4C6B3 Jun 21, 21:43 UTCJun 21, 23:49 UTC2h 6m on time
2026-06-21 ATN6760 A75238 Jun 21, 11:15 UTCJun 21, 13:24 UTC2h 10m -
2026-06-20 FFT2275 A8785B Jun 20, 23:14 UTCJun 21, 01:30 UTC2h 15m -
2026-06-19 FFT2275 A8496E Jun 19, 23:49 UTCJun 20, 01:55 UTC2h 5m -
2026-06-19 SKW3816 A32867 Jun 19, 13:28 UTCJun 19, 15:39 UTC2h 11m +17m
2026-06-18 FFT2275 A9969B Jun 18, 23:15 UTCJun 19, 01:24 UTC2h 9m -
2026-06-18 FFT2275 A8CEC7 Jun 18, 01:15 UTCJun 18, 01:25 UTC10m -
2026-06-17 FFT2275 A8CEC7 Jun 17, 23:05 UTCJun 18, 01:10 UTC2h 5m -
2026-06-17 ASA654 AB79D3 Jun 17, 19:55 UTCJun 17, 21:57 UTC2h 2m -16m
2026-06-16 FFT2275 A9AF3E Jun 16, 17:15 UTCJun 16, 19:09 UTC1h 54m +9m
2026-06-16 FFT2275 A9AF3E Jun 16, 17:00 UTCJun 16, 19:30 UTC2h 30m -
2026-06-15 FFT2275 A8697F Jun 15, 23:15 UTCJun 16, 01:30 UTC2h 15m -
2026-06-14 FFT2275 A97C9A Jun 14, 23:15 UTCJun 15, 01:30 UTC2h 15m -
2026-06-14 SKW3816 A2FE8F Jun 14, 13:40 UTCJun 14, 15:45 UTC2h 5m +6m
2026-06-14 DAL2579 A39D95 Jun 14, 12:00 UTCJun 14, 13:25 UTC1h 25m -

ONT → SEA frequently asked

How long is the flight from ONT to SEA?
Average flight time on the ONT–SEA route is 2h 1m, covering approximately 1,540 km (956 mi).
What is the distance from ONT to SEA?
The great-circle distance from ONT to SEA is approximately 1,540 km (956 miles).
Which airlines fly from ONT to SEA?
2 airlines operate this route in our records: Frontier Airlines, Delta Air Lines.
How many flights per week from ONT to SEA?
We've observed ~2 flights per day on this route across our tracking data (224 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.