UAL991

For travellers

Departure · Barcelona (BCN)

Terminal T1 · Gate E · Check-in 710, 714

Scheduled 18 Aug 11:15 · Estimated 18 Aug 11:15

Airborne since 18 Aug 11:58 (ADS-B)

Board data from aena_spain, updated 65448 min ago; times local to each airport.

Flight

Status

Completed

Departure

Barcelona International Airport (BCN) — Barcelona, Spain

Scheduled departure

2026-08-18 09:15 UTC

Departed

2026-08-18 09:58 UTC

Arrival

Washington Dulles International Airport (IAD) — Washington, DC, United States

Also flies as

AC3177

Codeshares

LH7947, UA991

Distance flown

9019 km

Straight-line distance

6516 km

Approach distance

518 km

Aircraft

Registration

N29981

Type

Boeing 787-9

Seats

257 total (149 Economy, 39 Economy Plus, 21 Premium Plus, 48 Polaris)

CO2 (EMEP est., total)

321.2 t (2612 kg/pax Business, 1177 kg/pax Premium Economy, 913 kg/pax Economy)

Altitude & speed

Max altitude

40,000 ft

Max ground speed

518 kt

Tracked

8h 12m · 7,636 km

Altitude (ft, max 40,000)

Ground speed (kt, max 518)

Altitude (ft, max 40,000)

Ground speed (kt, max 518)

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
2026-10-02 15:42 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N45905	Boeing 787-8	In progress	~6516 km est.
2026-10-02 09:34 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N45905	Boeing 787-8	Incomplete (signal lost)	~6622 km est. (1313 km recorded)
2026-10-01 10:52 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N27903	Boeing 787-8	Completed	6779 km
2026-09-30 09:32 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26909	Boeing 787-8	Completed	6818 km
2026-09-29 10:02 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N27908	Boeing 787-8	Completed	6771 km
2026-09-28 09:38 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26909	Boeing 787-8	Completed	6965 km
2026-09-27 09:29 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N45905	Boeing 787-8	Completed	6814 km
2026-09-26 09:55 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N25982	Boeing 787-9	Completed	6869 km
2026-09-25 09:37 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26909	Boeing 787-8	Completed	6775 km
2026-09-24 09:44 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N793UA	Boeing 777-200ER	Completed	6679 km
2026-09-23 09:54 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N204UA	Boeing 777-200ER	Completed	7229 km
2026-09-22 11:38 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N799UA	Boeing 777-200ER	Completed	6862 km
2026-09-21 10:16 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N217UA	Boeing 777-200ER	Completed	6706 km
2026-09-20 09:46 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N78003	Boeing 777-200ER	Completed	6986 km
2026-09-19 09:27 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N216UA	Boeing 777-200ER	Completed	7050 km
2026-09-18 09:43 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N797UA	Boeing 777-200ER	Completed	7063 km
2026-09-17 09:37 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N787UA	Boeing 777-200ER	Completed	6891 km
2026-09-16 09:27 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N787UA	Boeing 777-200ER	Completed	6893 km
2026-09-15 09:36 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N225UA	Boeing 777-200ER	Completed	6776 km
2026-09-14 09:58 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N787UA	Boeing 777-200ER	Completed	6842 km
2026-09-13 10:04 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N797UA	Boeing 777-200ER	Completed	7003 km
2026-09-12 09:33 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N27015	Boeing 777-200ER	Completed	6858 km
2026-09-11 09:39 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N78005	Boeing 777-200ER	Completed	7045 km
2026-09-10 09:42 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N225UA	Boeing 777-200ER	Completed	6883 km
2026-09-09 09:29 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N77022	Boeing 777-200ER	Completed	6929 km
2026-09-08 09:30 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29907	Boeing 787-8	Incomplete (signal lost)	~6800 km est. (1459 km recorded)
2026-09-07 09:35 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N20904	Boeing 787-8	Completed	7029 km
2026-09-06 09:29 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26902	Boeing 787-8	Completed	7056 km
2026-09-05 10:38 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N22995	Boeing 787-9	Completed	6834 km
2026-09-04 11:07 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N22995	Boeing 787-9	Completed	6918 km
2026-09-03 09:32 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26960	Boeing 787-9	Completed	6945 km
2026-09-02 09:35 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N23994	Boeing 787-9	Completed	7135 km
2026-09-01 09:39 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N23994	Boeing 787-9	Completed	6903 km
2026-08-31 09:27 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26960	Boeing 787-9	Completed	7280 km
2026-08-30 09:26 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26960	Boeing 787-9	Completed	6731 km
2026-08-29 09:39 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29977	Boeing 787-9	Completed	6861 km
2026-08-28 09:37 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29978	Boeing 787-9	Completed	6814 km
2026-08-27 09:21 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29984	Boeing 787-9	Completed	6804 km
2026-08-26 09:19 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29984	Boeing 787-9	Completed	6798 km
2026-08-25 09:29 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29984	Boeing 787-9	Completed	7148 km
2026-08-24 09:43 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26967	Boeing 787-9	Completed	6860 km
2026-08-23 09:39 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26967	Boeing 787-9	Completed	7981 km
2026-08-22 10:04 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N27964	Boeing 787-9	Completed	7943 km
2026-08-21 10:18 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N24976	Boeing 787-9	Completed	7860 km
2026-08-20 12:17 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26967	Boeing 787-9	Completed	8709 km
2026-08-19 09:56 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N26967	Boeing 787-9	Completed	8341 km
2026-08-18 09:58 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29981	Boeing 787-9	Completed	9019 km
2026-08-17 09:48 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29971	Boeing 787-9	Completed	7749 km
2026-08-16 09:17 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N29971	Boeing 787-9	Completed	7870 km
2026-08-15 09:26 UTC	UAL991	BCN → IAD Barcelona → Washington, DC	N24976	Boeing 787-9	Completed	7985 km