Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

ONT → STL

2,486 km avg 2h 45m 0 airlines

Departure

ONT KONT VFR

Ontario International Airport

Ontario, US

Local time
06:41 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 30,000 ft
Temp / Dew
16°C / 7°C
Altimeter
29.87 inHg

Obs: 2026-05-21T12:53:00.000Z

Raw METAR / TAF 
METAR KONT 211253Z 00000KT 10SM FEW300 16/07 A2987 RMK AO2 SLP101 T01560067 $

TAF KONT 211125Z 2112/2218 VRB04KT P6SM SKC FM212000 25014G22KT P6SM SKC FM220400 25008KT P6SM SKC FM221200 25005KT 5SM BR BKN009 FM221600 VRB04KT 6SM HZ SCT010

flight Live Traffic

flight_takeoff 100 Departures
flight_land 84 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
08:41 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
70° / 8 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
13°C / 8°C
Altimeter
30.17 inHg

Obs: 2026-05-21T12:51:00.000Z

Raw METAR / TAF 
METAR KSTL 211251Z COR 07008KT 10SM FEW250 13/08 A3017 RMK AO2 SLP211 T01330078

TAF KSTL 211120Z 2112/2218 05008KT P6SM BKN050 FM221200 08009KT P6SM OVC025 TEMPO 2214/2218 4SM -RA OVC015

flight Live Traffic

flight_takeoff 115 Departures
flight_land 128 Arrivals
Flights tracked
1
Avg duration
2h 45m
Distance
2,486 km

Live traffic

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

Other connections

More destinations from ONT

More origins to STL

Recent flights last 1

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-04-28 N82CW AB2EC9 Apr 28, 17:10 UTCApr 28, 19:55 UTC2h 45m -

ONT → STL frequently asked

How long is the flight from ONT to STL?
Average flight time on the ONT–STL route is 2h 45m, covering approximately 2,486 km (1,544 mi).
What is the distance from ONT to STL?
The great-circle distance from ONT to STL is approximately 2,486 km (1,544 miles).
How many flights per week from ONT to STL?
We've observed ~1 flight per day on this route across our tracking data (1 total flight recorded).
Can I track ONT–STL flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.