UAL800

For travellers

Departure · Boston (BOS)

Terminal B · Gate B27

Scheduled 02 Oct 17:08 · Departed 02 Oct 17:31 · +23 min

Board status: Departed

Airborne since 02 Oct 17:53 (ADS-B)

Arrival · Denver (DEN)

Gate B27 · Baggage belt 18

Scheduled 02 Oct 19:45 · Landed 02 Oct 20:17 · +32 min

Board status: Arrived

Landed 02 Oct 20:17 (ADS-B)

Board data from bos, den, updated 399 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Scheduled departure

2026-10-02 21:08 UTC

Departed

2026-10-02 21:53 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Scheduled arrival

2026-10-03 01:45 UTC

Estimated arrival

2026-10-03 02:14 UTC

Also flies as

UA800

Distance flown

2911 km

Straight-line distance

2816 km

Approach distance

51 km

Aircraft

Registration

N14521

Type

Airbus A321 Neo

Seats

200 total (20 Business, 180 Economy)

CO2 (EMEP est., total)

64.6 t (798 kg/pax Business, 271 kg/pax Economy)

Altitude & speed

Max altitude

32,025 ft

Max ground speed

425 kt

Tracked

4h 33m · 2,905 km

Altitude (ft, max 32,025)

Ground speed (kt, max 425)

Altitude (ft, max 32,025)

Ground speed (kt, max 425)

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 21:53 UTC	UAL800	BOS → DEN Boston → Denver	N14521	Airbus A321 Neo	Completed	2911 km
2026-10-01 22:26 UTC	UAL800	BOS → DEN Boston → Denver	N34551	Airbus A321 Neo	Completed	2989 km
2026-09-30 21:52 UTC	UAL800	BOS → DEN Boston → Denver	N24573	Airbus A321 Neo	Completed	3019 km
2026-09-29 21:23 UTC	UAL800	BOS → DEN Boston → Denver	N14520	Airbus A321 Neo	Completed	2916 km
2026-09-29 03:29 UTC	UAL800	BOS → DEN Boston → Denver	N34547	Airbus A321 Neo	Completed	2876 km
2026-09-28 00:14 UTC	UAL800	BOS → DEN Boston → Denver	N54558	Airbus A321 Neo	Completed	2909 km
2026-09-25 21:24 UTC	UAL800	BOS → DEN Boston → Denver	N14553	Airbus A321 Neo	Completed	3287 km
2026-09-24 22:24 UTC	UAL800	BOS → DEN Boston → Denver	N14530	Airbus A321 Neo	Completed	2972 km
2026-09-23 15:48 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N1902U	Airbus A320 233	Completed	1099 km
2026-09-22 15:39 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N882UA	Airbus A319	Completed	1140 km
2026-09-21 15:43 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N432UA	Airbus A320 233	Completed	1153 km
2026-09-20 16:49 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N440UA	Airbus A320 233	Completed	1138 km
2026-09-19 15:54 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N37447	Boeing 737 MAX 9	Completed	1147 km
2026-09-18 15:43 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N495UA	Airbus A320 233	Completed	1188 km
2026-09-17 15:49 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N438UA	Airbus A320 233	Completed	1171 km
2026-09-16 15:44 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N449UA	Airbus A320 233	Completed	1179 km
2026-09-15 15:36 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N820UA	Airbus A319	Completed	1195 km
2026-09-14 15:47 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N465UA	Airbus A320 233	Completed	1179 km
2026-09-13 15:53 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N820UA	Airbus A319	Completed	1263 km
2026-09-12 15:44 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N17461	Boeing 737 MAX 9	Completed	1136 km
2026-09-11 15:58 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N448UA	Airbus A320 233	Completed	1131 km
2026-09-10 16:17 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N459UA	Airbus A320 233	Completed	1507 km
2026-09-09 16:19 UTC	UAL800	DEN → DFW Denver → Dallas-Fort Worth	N459UA	Airbus A320 233	Completed	1185 km
2026-09-07 21:07 UTC	UAL800	BOS → DEN Boston → Denver	N14544	Airbus A321 Neo	Completed	3194 km
2026-09-04 21:45 UTC	UAL800	BOS → DEN Boston → Denver	N14506	Airbus A321 Neo	Completed	2940 km
2026-09-03 22:33 UTC	UAL800	BOS → DEN Boston → Denver	N14509	Airbus A321 Neo	Completed	3075 km
2026-09-02 21:07 UTC	UAL800	BOS → DEN Boston → Denver	N34562	Airbus A321 Neo	Completed	3154 km
2026-09-01 21:30 UTC	UAL800	BOS → DEN Boston → Denver	N34574	Airbus A321 Neo	Completed	3111 km
2026-08-31 21:06 UTC	UAL800	BOS → DEN Boston → Denver	N14541	Airbus A321 Neo	Completed	3124 km
2026-08-30 21:03 UTC	UAL800	BOS → DEN Boston → Denver	N14567	Airbus A321 Neo	Completed	3288 km
2026-08-28 21:26 UTC	UAL800	BOS → DEN Boston → Denver	N14523	Airbus A321 Neo	Completed	3104 km
2026-08-27 21:10 UTC	UAL800	BOS → DEN Boston → Denver	N14546	Airbus A321 Neo	Completed	3062 km
2026-08-26 22:53 UTC	UAL800	BOS → DEN Boston → Denver	N14509	Airbus A321 Neo	Completed	3039 km
2026-08-25 21:03 UTC	UAL800	BOS → DEN Boston → Denver	N14524	Airbus A321 Neo	Completed	3273 km
2026-08-24 21:12 UTC	UAL800	BOS → DEN Boston → Denver	N14530	Airbus A321 Neo	Completed	3217 km
2026-08-23 21:46 UTC	UAL800	BOS → DEN Boston → Denver	N74532	Airbus A321 Neo	Completed	3419 km
2026-08-21 21:17 UTC	UAL800	BOS → DEN Boston → Denver	N14553	Airbus A321 Neo	Completed	4595 km
2026-08-20 21:18 UTC	UAL800	BOS → DEN Boston → Denver	N24526	Airbus A321 Neo	Completed	4050 km
2026-08-19 21:14 UTC	UAL800	BOS → DEN Boston → Denver	N14503	Airbus A321 Neo	Completed	4142 km
2026-08-18 21:18 UTC	UAL800	BOS → DEN Boston → Denver	N14530	Airbus A321 Neo	Completed	5132 km
2026-08-17 22:18 UTC	UAL800	BOS → DEN Boston → Denver	N34562	Airbus A321 Neo	Completed	3929 km
2026-08-16 21:17 UTC	UAL800	BOS → DEN Boston → Denver	N14509	Airbus A321 Neo	Completed	5162 km
2026-08-14 23:12 UTC	UAL800	BOS → DEN Boston → Denver	N24514	Airbus A321 Neo	Completed	3795 km
2026-08-14 16:18 UTC	UAL800	DEN → BOS Denver → Boston	N24514	Airbus A321 Neo	Completed	3106 km
2026-08-14 12:08 UTC	UAL800	PDX → DEN Portland → Denver	N24514	Airbus A321 Neo	Completed	1807 km
2026-08-14 05:34 UTC	UAL800	COS → DEN Colorado Springs → Denver	N54558	Airbus A321 Neo	Completed	248 km
2026-08-14 02:33 UTC	UAL800	ORD → PDX Chicago → Portland	N24514	Airbus A321 Neo	Completed	29592 km
2026-08-13 22:39 UTC	UAL800	BOS → COS Boston → Colorado Springs	N54558	Airbus A321 Neo	Completed	4072 km
2026-08-13 20:40 UTC	UAL800	RSW → ORD Fort Myers → Chicago	N24514	Airbus A321 Neo	Completed	56049 km
2026-08-13 15:50 UTC	UAL800	DEN → RSW Denver → Fort Myers	N24514	Airbus A321 Neo	Completed	2770 km