SWA3855

For travellers

Departure · San Juan (SJU)

Scheduled 05:30 · Estimated 05:30

Board status: Scheduled

Airborne since 05:34 (ADS-B)

Arrival · Baltimore (BWI)

Gate A12

Scheduled 09:40 · Estimated 09:18 · early

Board status: On Time

In the air, ~2h 55m to go (6% of the route flown)

Board data from bwi, sju, updated 13 min ago; times local to each airport.

Flight

Status

In progress

Departure

Luis Munoz Marin International Airport (SJU) — San Juan, Puerto Rico

Scheduled departure

2026-10-02 09:30 UTC

Departed

2026-10-02 09:34 UTC

Arrival

Baltimore/Washington International Thurgood Marshall Airport (BWI) — Baltimore, United States (scheduled)

Scheduled arrival

2026-10-02 13:40 UTC

Estimated arrival

2026-10-02 13:18 UTC

Progress

6% · ~2h 55m remaining

Also flies as

WN3855

Distance flown

140 km

Straight-line distance

2524 km

Aircraft

Registration

N8954Q

Type

Boeing 737 MAX 8

Seats

175 total (175 Economy) (typical for type, not this tail)

CO2 (EMEP est., total)

50.8 t (290 kg/pax Economy)

Altitude & speed

Max altitude

24,475 ft

Max ground speed

444 kt

Tracked

13m · 140 km

Note

still in progress - the track so far

Altitude (ft, max 24,475)

Ground speed (kt, max 444)

Altitude (ft, max 24,475)

Ground speed (kt, max 444)

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
2026-10-02 09:34 UTC	SWA3855	SJU → BWI San Juan → Baltimore	N8954Q	Boeing 737 MAX 8	In progress	~2524 km est.
2026-10-01 11:43 UTC	SWA3855	STL → BWI St Louis → Baltimore	N8632A	Boeing 737-800	Completed	1446 km
2026-10-01 09:48 UTC	SWA3855	SJU → BWI San Juan → Baltimore	N8632A	Boeing 737-800	Incomplete (signal lost)	~2580 km est. (113 km recorded)
2026-09-26 19:19 UTC	SWA3855	STL → MCI St Louis → Kansas City	N214WN	Boeing 737-700	Completed (landing presumed)	452 km
2026-09-19 19:40 UTC	SWA3855	STL → MCI St Louis → Kansas City	N7835A	Boeing 737-700	Completed	437 km
2026-09-12 18:46 UTC	SWA3855	STL → MCI St Louis → Kansas City	N489WN	Boeing 737-700	Completed	486 km
2026-09-05 19:41 UTC	SWA3855	STL → MCI St Louis → Kansas City	N7745A	Boeing 737-700	Completed (landing presumed)	440 km
2026-08-29 18:51 UTC	SWA3855	STL → MCI St Louis → Kansas City	N908WN	Boeing 737-700	Completed	461 km
2026-08-15 19:00 UTC	SWA3855	STL → MCI St Louis → Kansas City	N289CT	Boeing 737-700	Completed	~1976 km est. (644 km recorded)