UA591

EWR → SAT · Boeing 737 MAX 9 · United Airlines

For travellers

Departure · Newark (EWR)

Terminal C · Gate C94

Scheduled 29 Sep 08:30 · Departed 29 Sep 08:21 · early

Board status: Departed

Airborne since 29 Sep 08:41 (ADS-B)

Board data from ewr, updated 5286 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Newark Liberty International Airport (EWR) — Newark, United States

Scheduled departure

2026-09-29 12:30 UTC

Departed

2026-09-29 12:41 UTC

Arrival

San Antonio International Airport (SAT) — San Antonio, United States

Codeshares

AC3840

Distance flown

2638 km

Straight-line distance

2522 km

Approach distance

73 km

Aircraft

Registration

N77588

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

CO2 (EMEP est., total)

56.0 t (398 kg/pax Business, 303 kg/pax Economy)

Altitude & speed

Max altitude

38,025 ft

Max ground speed

488 kt

Tracked

3h 51m · 2,627 km

Altitude (ft, max 38,025)

Ground speed (kt, max 488)

Altitude (ft, max 38,025)

Ground speed (kt, max 488)

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

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-29 12:41 UTC	UAL591	EWR → SAT Newark → San Antonio	N77588	Boeing 737 MAX 9	Completed	2638 km
2026-09-19 17:15 UTC	UAL591	IAH → DFW Houston → Dallas-Fort Worth	N25705	Boeing 737-700	Completed	458 km
2026-09-12 17:08 UTC	UAL591	IAH → DFW Houston → Dallas-Fort Worth	N38727	Boeing 737-700	Completed	456 km

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