SWA4120

For travellers

Departure · Denver (DEN)

Gate C53

Scheduled 00:30 · Departed 01:07 · +37 min

Board status: Off block

Airborne since 00:57 (ADS-B)

Arrival · Baltimore (BWI)

Gate B4

Scheduled 05:45 · Estimated 06:06 · +21 min

Board status: Bags In

In the air, ~0m to go (100% of the route flown)

Board data from bwi, den, updated 5 min ago; times local to each airport.

Flight

Status

In progress

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-02 06:30 UTC

Departed

2026-10-02 06:57 UTC

Arrival

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

Scheduled arrival

2026-10-02 09:45 UTC

Estimated arrival

2026-10-02 10:06 UTC

Progress

100% · ~0m remaining

Also flies as

WN4120

Distance flown

2459 km

Straight-line distance

2394 km

Aircraft

Registration

N942WN

Type

Boeing 737-700

Seats

143 total (143 Economy)

CO2 (EMEP est., total)

55.1 t (385 kg/pax Economy)

Altitude & speed

Max altitude

39,025 ft

Max ground speed

550 kt

Tracked

3h 38m · 2,459 km

Note

still in progress - the track so far

Altitude (ft, max 39,025)

Ground speed (kt, max 550)

Altitude (ft, max 39,025)

Ground speed (kt, max 550)

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 06:57 UTC	SWA4120	DEN → BWI Denver → Baltimore	N942WN	Boeing 737-700	In progress	~2394 km est.
2026-09-28 23:51 UTC	SWA4120	DAL → STL Dallas → St Louis	N8524Z	Boeing 737-800	Completed	948 km
2026-09-26 23:00 UTC	SWA4120	DAL → STL Dallas → St Louis	N8991S	Boeing 737 MAX 8	Completed	930 km
2026-09-26 00:56 UTC	SWA4120	DAL → STL Dallas → St Louis	N8743K	Boeing 737 MAX 8	Completed	954 km
2026-09-25 00:08 UTC	SWA4120	DAL → STL Dallas → St Louis	N8547V	Boeing 737-800	Completed	960 km
2026-09-19 23:11 UTC	SWA4120	DAL → STL Dallas → St Louis	N228WN	Boeing 737-700	Completed	996 km
2026-09-18 23:47 UTC	SWA4120	DAL → STL Dallas → St Louis	N8543Z	Boeing 737-800	Completed	1003 km
2026-09-18 00:17 UTC	SWA4120	DAL → STL Dallas → St Louis	N9011H	Boeing 737 MAX 8	Completed	975 km
2026-09-15 00:02 UTC	SWA4120	DAL → STL Dallas → St Louis	N8818Q	Boeing 737 MAX 8	Completed	1014 km
2026-09-12 23:21 UTC	SWA4120	DAL → STL Dallas → St Louis	N8509U	Boeing 737-800	Completed	1024 km
2026-09-12 00:00 UTC	SWA4120	DAL → STL Dallas → St Louis	N8903H	Boeing 737 MAX 8	Completed	1113 km
2026-09-10 23:46 UTC	SWA4120	DAL → STL Dallas → St Louis	N8630B	Boeing 737-800	Completed	1140 km
2026-09-08 00:08 UTC	SWA4120	DAL → STL Dallas → St Louis	N8609A	Boeing 737-800	Completed	983 km
2026-09-05 00:14 UTC	SWA4120	DAL → STL Dallas → St Louis	N8568Z	Boeing 737-800	Completed	987 km
2026-09-03 23:48 UTC	SWA4120	DAL → STL Dallas → St Louis	N8982S	Boeing 737 MAX 8	Completed	978 km
2026-08-31 23:01 UTC	SWA4120	DAL → STL Dallas → St Louis	N8782Q	Boeing 737 MAX 8	Completed	1064 km
2026-08-29 22:54 UTC	SWA4120	DAL → STL Dallas → St Louis	N9016S	Boeing 737 MAX 8	Completed	989 km
2026-08-28 23:43 UTC	SWA4120	DAL → STL Dallas → St Louis	N8970Q	Boeing 737 MAX 8	Completed	1048 km
2026-08-27 23:50 UTC	SWA4120	DAL → STL Dallas → St Louis	N8317M	Boeing 737-800	Completed	995 km
2026-08-24 23:40 UTC	SWA4120	DAL → STL Dallas → St Louis	N8512U	Boeing 737-800	Completed	1055 km
2026-08-22 18:20 UTC	SWA4120	DEN → STL Denver → St Louis	N8610A	Boeing 737-800	Completed	4532 km
2026-08-21 23:50 UTC	SWA4120	DAL → STL Dallas → St Louis	N8697C	Boeing 737-800	Completed	1579 km
2026-08-20 23:24 UTC	SWA4120	DAL → STL Dallas → St Louis	N8914Q	Boeing 737 MAX 8	Completed	1468 km
2026-08-17 23:40 UTC	SWA4120	DAL → STL Dallas → St Louis	N8779Q	Boeing 737 MAX 8	Completed	1352 km
2026-08-15 18:42 UTC	SWA4120	DEN → ? Denver → ?	N8856S	Boeing 737 MAX 8	Incomplete (signal lost)	3969 km