Apparatus

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flight_takeoff Flight

SWA851

Operated by Southwest Airlines

Live map

Live map filtered to SWA851. Shown when the flight is currently airborne.

Route airports View route page →

Departure

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
03:18 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
180° / 9 kt
Visibility
10 SM
Ceiling
FEW 16,000 ft, FEW 25,000 ft
Temp / Dew
23°C / 17°C
Altimeter
30.03 inHg

Obs: 2026-08-30T07:51:00.000Z

Raw METAR / TAF 
METAR KSTL 300751Z 18009KT 10SM FEW160 FEW250 23/17 A3003 RMK AO2 SLP158 T02330172

TAF KSTL 300520Z 3006/3112 16008KT P6SM SCT250 FM301400 19011KT P6SM SCT120

flight Live Traffic

flight_takeoff 20 Departures
flight_land 13 Arrivals

Arrival

LGA KLGA VFR

LaGuardia Airport

New York, US

Local time
04:18 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
21 ft
Coordinates
40.7772, -73.8726

cloud Weather

Wind
220° / 6 kt
Visibility
10 SM
Ceiling
SCT 15,000 ft, BKN 25,000 ft
Temp / Dew
21°C / 16°C
Altimeter
30.20 inHg

Obs: 2026-08-30T07:51:00.000Z

Raw METAR / TAF 
METAR KLGA 300751Z 22006KT 10SM SCT150 BKN250 21/16 A3020 RMK AO2 SLP225 T02110156 $

TAF KLGA 300539Z 3006/3112 23006KT P6SM FEW150 SCT250 FM301500 22009KT P6SM SCT070 SCT150 BKN250 FM301800 21011G19KT P6SM VCSH SCT070 BKN150 FM302100 22010KT 6SM -SHRA BR SCT045 BKN150 PROB30 3022/3102 3SM TSRA BKN025CB FM310300 31006KT P6SM VCSH SCT035 BKN100 FM310600 36005KT P6SM BKN030 BKN100

flight Live Traffic

flight_takeoff 28 Departures
flight_land 13 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A1A2E0 STL → LGA Jul 26, 20:50 UTCJul 26, 21:45 UTC55m - -
2026-07-26 AD694C STL → LGA Jul 26, 03:30 UTCJul 26, 03:50 UTC20m - -
2026-07-25 AD694C STL → LGA Jul 25, 23:50 UTCJul 26, 01:55 UTC2h 5m - -
2026-07-25 AD694C STL → LGA Jul 25, 21:55 UTCJul 25, 22:50 UTC55m - -
2026-07-24 AA72F5 STL → LGA Jul 24, 21:49 UTCJul 24, 22:42 UTC53m +49m +11m
2026-07-23 A30DC5 STL → LGA Jul 23, 21:15 UTCJul 23, 22:10 UTC55m - -
2026-07-22 AD5E27 STL → LGA Jul 22, 23:05 UTCJul 23, 00:05 UTC1h 0m - -
2026-07-21 A28C23 STL → LGA Jul 21, 23:25 UTCJul 22, 00:15 UTC50m - -
2026-07-21 A28C23 STL → LGA Jul 21, 23:20 UTCJul 22, 00:12 UTC52m +30m +5m
2026-07-20 AC74E4 BUR → SMF Jul 20, 21:25 UTCJul 20, 22:20 UTC55m - -
2026-07-19 AC8EE5 BUR → SMF Jul 19, 21:05 UTCJul 19, 22:00 UTC55m - -
2026-07-19 AC8EE5 BUR → SMF Jul 19, 21:05 UTCJul 19, 21:58 UTC53m +25m +9m
2026-07-19 A557C3 DEN → COS Jul 19, 03:05 UTCJul 19, 03:20 UTC15m - -
2026-07-18 A557C3 SMF → DEN Jul 18, 23:50 UTCJul 19, 01:45 UTC1h 55m - -
2026-07-18 A557C3 BUR → SMF Jul 18, 21:55 UTCJul 18, 22:50 UTC55m - -
2026-07-17 A2BEC7 BUR → SMF Jul 17, 21:20 UTCJul 17, 22:15 UTC55m - -
2026-07-16 A2D76A BUR → SMF Jul 16, 21:30 UTCJul 16, 22:30 UTC1h 0m - -
2026-07-16 A2D76A BUR → SMF Jul 16, 21:29 UTCJul 16, 22:24 UTC55m +29m +14m
2026-07-15 ACDA2C BUR → SMF Jul 15, 23:05 UTCJul 16, 00:05 UTC1h 0m - -
2026-07-15 ACDA2C BUR → SMF Jul 15, 23:02 UTCJul 15, 23:59 UTC57m +12m +8m
2026-07-14 A23200 BUR → SMF Jul 14, 23:00 UTCJul 15, 00:00 UTC1h 0m - -
2026-07-14 A23200 BUR → SMF Jul 14, 23:00 UTCJul 14, 23:54 UTC54m +10m +4m
2026-07-13 AA7A83 BUR → SMF Jul 13, 21:15 UTCJul 13, 22:10 UTC55m - -
2026-07-12 AA7A3C BUR → SMF Jul 12, 21:06 UTCJul 12, 21:56 UTC50m +26m +4m
2026-07-12 AA7A3C BUR → SMF Jul 12, 21:10 UTCJul 12, 22:05 UTC55m - -
2026-07-12 A5F208 - Jul 12, 03:20 UTCJul 12, 03:35 UTC15m - -
2026-07-12 A5F208 SMF → DEN Jul 12, 00:30 UTCJul 12, 02:20 UTC1h 50m - -
2026-07-11 A5F208 BUR → SMF Jul 11, 22:55 UTCJul 11, 23:50 UTC55m - -
2026-07-10 AA7AEB BUR → SMF Jul 10, 22:15 UTCJul 10, 23:15 UTC1h 0m - -
2026-07-09 A19F29 BUR → SMF Jul 9, 21:20 UTCJul 9, 22:15 UTC55m - -

Performance history

Flights tracked
132 showing last 30
Avg arrival delay
+8m
On-time arrival
100% 100% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 41
June 2026 52
May 2026 21
April 2026 18

SWA851 frequently asked

Where does flight SWA851 fly?
SWA851 (Southwest Airlines) flies from STL to LGA. View the full route page.
How long is flight SWA851?
Based on observed flights, SWA851 takes on average 58m from takeoff to landing.
How often does SWA851 fly?
SWA851 has been observed flying several times a week in our tracking data. We've recorded 132 flights under this callsign.
Is flight SWA851 usually on time?
Across recent flights, SWA851 arrives with an average 8-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA851?
SWA851 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA851 live?
Yes. When SWA851 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.