WN4401

STL → PHL · Boeing 737-800 · Southwest Airlines

For travellers

Arrival · Philadelphia (PHL)

Gate E16

Scheduled 02 Oct 23:10

Board status: On Time

Landed 02 Oct 23:05 (ADS-B)

Board data from phl, updated 800 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

St Louis Lambert International Airport (STL) — St Louis, United States

Departed

2026-10-03 01:18 UTC

Arrival

Philadelphia International Airport (PHL) — Philadelphia, United States

Scheduled arrival

2026-10-03 03:10 UTC

Distance flown

1375 km

Straight-line distance

1306 km

Approach distance

99 km

Aircraft

Registration

N8581Z

Type

Boeing 737-800

Seats

175 total (175 Economy)

CO2 (EMEP est., total)

35.4 t (202 kg/pax Economy)

Altitude & speed

Max altitude

39,025 ft

Max ground speed

547 kt

Tracked

1h 46m · 1,373 km

Altitude (ft, max 39,025)

Ground speed (kt, max 547)

Altitude (ft, max 39,025)

Ground speed (kt, max 547)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 01:18 UTC	SWA4401	STL → PHL St Louis → Philadelphia	N8581Z	Boeing 737-800	Completed	1375 km
2026-09-19 13:23 UTC	SWA4401	LAX → STL Los Angeles → St Louis	N8861Q	Boeing 737 MAX 8	Completed	2809 km
2026-08-29 13:10 UTC	SWA4401	LAX → STL Los Angeles → St Louis	N8840Q	Boeing 737 MAX 8	Completed	2904 km

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