Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

ONT → STL

2,486 km avg 2h 45m 0 airlines

Departure

ONT KONT IFR

Ontario International Airport

Ontario, US

Local time
09:11 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
VRB / 4 kt
Visibility
2 SM
Ceiling
BKN 24,000 ft
Temp / Dew
23°C / 14°C
Altimeter
30.01 inHg
Wx
FU

Obs: 2026-07-05T15:53:00.000Z

Raw METAR / TAF 
METAR KONT 051553Z VRB04KT 2SM FU BKN240 23/14 A3001 RMK AO2 SLP145 T02330139 $

TAF KONT 051456Z 0515/0618 VRB05KT 3SM HZ FU SCT250 TEMPO 0515/0517 1 1/2SM FU FM052000 26012KT P6SM FEW250 FM060500 25006KT P6SM SKC

flight Live Traffic

flight_takeoff 35 Departures
flight_land 30 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
11:11 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
340° / 6 kt
Visibility
10 SM
Ceiling
SCT 4,900 ft, BKN 11,000 ft
Temp / Dew
26°C / 22°C
Altimeter
29.99 inHg

Obs: 2026-07-05T15:51:00.000Z

Raw METAR / TAF 
METAR KSTL 051551Z 34006KT 10SM SCT049 BKN110 26/22 A2999 RMK AO2 SLP145 T02560222 $

TAF KSTL 051509Z 0515/0618 30006KT P6SM SCT012 BKN100 TEMPO 0515/0517 BKN012 FM051700 34006KT P6SM SCT040 PROB30 0520/0524 4SM -TSRA BKN045CB FM060300 01005KT P6SM SCT250

flight Live Traffic

flight_takeoff 112 Departures
flight_land 83 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.