AA4436

For travellers

Arrival · Washington (DCA)

Terminal 2 · Gate D37 · Baggage belt 7

Scheduled 13:59 · Estimated 13:40 · early

Board status: InAir

In the air, ~13m to go (90% of the route flown)

Board data from mwaa, updated 59 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Departed

2026-10-02 15:55 UTC

Arrival

Ronald Reagan Washington National Airport (DCA) — Washington, United States (scheduled)

Scheduled arrival

2026-10-02 17:59 UTC

Estimated arrival

2026-10-02 17:40 UTC

Progress

90% · ~13m remaining

Distance flown

1237 km

Straight-line distance

1154 km

Aircraft

Registration

N421YX

Type

EMBRAER EMB175

Seats

76 total (44 Main Cabin, 20 Main Cabin Extra, 12 First)

CO2 (EMEP est., total)

17.7 t (224 kg/pax Economy, 273 kg/pax Business)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

538 kt

Tracked

1h 31m · 1,237 km

Note

still in progress - the track so far

Altitude (ft, max 35,025)

Ground speed (kt, max 538)

Altitude (ft, max 35,025)

Ground speed (kt, max 538)

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

Polaris Aviation Solutions (RPM)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 15:55 UTC	RPA4436	STL → DCA St Louis → Washington	N421YX	EMBRAER EMB175	In progress	~1154 km est.
2026-10-02 13:07 UTC	RPA4436	DCA → STL Washington → St Louis	N421YX	EMBRAER EMB175	Completed	1267 km
2026-10-01 15:52 UTC	RPA4436	STL → DCA St Louis → Washington	N126HQ	EMBRAER EMB175	Completed (landing confirmed by airport data)	1233 km
2026-10-01 13:15 UTC	RPA4436	DCA → STL Washington → St Louis	N126HQ	EMBRAER EMB175	Completed	1301 km
2026-09-30 15:46 UTC	RPA4436	STL → DCA St Louis → Washington	N439YX	EMBRAER EMB175	Completed	1237 km
2026-09-30 12:53 UTC	RPA4436	DCA → STL Washington → St Louis	N439YX	EMBRAER EMB175	Completed	1293 km