UAL558

For travellers

Departure · Denver (DEN)

Gate B31

Scheduled 30 Sep 07:45 · Departed 30 Sep 07:34 · early

Board status: Off block

Airborne since 30 Sep 07:51 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B26 · Baggage belt 6

Scheduled 30 Sep 13:47 · Landed 30 Sep 13:27 · early

Board status: Arrived

Landed 30 Sep 13:23 (ADS-B)

Board data from bos, den, updated 2255 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-09-30 13:45 UTC

Departed

2026-09-30 13:51 UTC

Arrival

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

Scheduled arrival

2026-09-30 17:47 UTC

Estimated arrival

2026-09-30 17:24 UTC

Also flies as

UA558

Distance flown

2967 km

Straight-line distance

2816 km

Approach distance

72 km

Aircraft

Registration

N14548

Type

Airbus A321 Neo

Altitude & speed

Max altitude

35,000 ft

Max ground speed

510 kt

Tracked

3h 33m · 2,952 km

Altitude (ft, max 35,000)

Ground speed (kt, max 510)

Altitude (ft, max 35,000)

Ground speed (kt, max 510)

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 14:07 UTC	UAL558	DEN → BOS Denver → Boston	N64809	Boeing 737-900	Completed (landing confirmed by airport data)	2879 km
2026-10-01 14:06 UTC	UAL558	DEN → BOS Denver → Boston	N34574	Airbus A321 Neo	Completed (landing confirmed by airport data)	2893 km
2026-09-30 13:51 UTC	UAL558	DEN → BOS Denver → Boston	N14548	Airbus A321 Neo	Completed	2967 km
2026-09-29 14:02 UTC	UAL558	DEN → BOS Denver → Boston	N24573	Airbus A321 Neo	Completed	2934 km
2026-09-28 19:01 UTC	UAL558	DEN → BOS Denver → Boston	N14540	Airbus A321 Neo	Completed	2933 km
2026-09-27 15:18 UTC	UAL558	DEN → BOS Denver → Boston	N14536	Airbus A321 Neo	Completed	2935 km
2026-09-26 13:49 UTC	UAL558	DEN → BOS Denver → Boston	N44501	Airbus A321 Neo	Completed	2911 km
2026-09-25 15:28 UTC	UAL558	DEN → BOS Denver → Boston	N66841	Boeing 737-900	Completed	3056 km
2026-09-24 14:07 UTC	UAL558	DEN → BOS Denver → Boston	N24508	Airbus A321 Neo	Completed	2936 km
2026-09-23 14:03 UTC	UAL558	DEN → BOS Denver → Boston	N54570	Airbus A321 Neo	Completed	2987 km
2026-09-22 14:00 UTC	UAL558	DEN → BOS Denver → Boston	N34551	Airbus A321 Neo	Completed	2907 km
2026-09-21 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N14503	Airbus A321 Neo	Completed	2930 km
2026-09-20 14:29 UTC	UAL558	DEN → BOS Denver → Boston	N14515	Airbus A321 Neo	Completed	3029 km
2026-09-20 03:55 UTC	UAL558	IAD → ATL Washington, DC → Atlanta	N813UA	Airbus A319	Completed	932 km
2026-09-18 13:52 UTC	UAL558	DEN → BOS Denver → Boston	N44522	Airbus A321 Neo	Completed	3052 km
2026-09-17 14:15 UTC	UAL558	DEN → BOS Denver → Boston	N14544	Airbus A321 Neo	Completed	3204 km
2026-09-16 15:24 UTC	UAL558	DEN → BOS Denver → Boston	N36476	Boeing 737-900	Completed	3124 km
2026-09-15 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N14536	Airbus A321 Neo	Completed	3140 km
2026-09-14 14:18 UTC	UAL558	DEN → BOS Denver → Boston	N14563	Airbus A321 Neo	Completed	3245 km
2026-09-13 13:41 UTC	UAL558	DEN → BOS Denver → Boston	N68836	Boeing 737-900	Completed	3074 km
2026-09-13 02:33 UTC	UAL558	IAD → ATL Washington, DC → Atlanta	N842UA	Airbus A319	Completed	918 km
2026-09-11 13:55 UTC	UAL558	DEN → BOS Denver → Boston	N14511	Airbus A321 Neo	Completed	3074 km
2026-09-10 14:08 UTC	UAL558	DEN → BOS Denver → Boston	N24508	Airbus A321 Neo	Completed	3133 km
2026-09-09 13:50 UTC	UAL558	DEN → BOS Denver → Boston	N27258	Boeing 737 MAX 8	Completed	3168 km
2026-09-07 13:56 UTC	UAL558	DEN → BOS Denver → Boston	N14509	Airbus A321 Neo	Completed	3167 km
2026-09-04 14:16 UTC	UAL558	DEN → BOS Denver → Boston	N14520	Airbus A321 Neo	Completed	2966 km
2026-09-03 13:53 UTC	UAL558	DEN → BOS Denver → Boston	N14559	Airbus A321 Neo	Completed	3018 km
2026-09-02 13:49 UTC	UAL558	DEN → BOS Denver → Boston	N14549	Airbus A321 Neo	Completed	2985 km
2026-09-01 13:51 UTC	UAL558	DEN → BOS Denver → Boston	N24508	Airbus A321 Neo	Completed	3110 km
2026-08-31 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N74532	Airbus A321 Neo	Completed	3143 km
2026-08-30 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N54552	Airbus A321 Neo	Completed	3023 km
2026-08-28 13:53 UTC	UAL558	DEN → BOS Denver → Boston	N54561	Airbus A321 Neo	Completed	3082 km
2026-08-27 13:59 UTC	UAL558	DEN → BOS Denver → Boston	N24505	Airbus A321 Neo	Completed	3116 km
2026-08-26 13:59 UTC	UAL558	DEN → BOS Denver → Boston	N14567	Airbus A321 Neo	Completed	3204 km
2026-08-25 13:49 UTC	UAL558	DEN → BOS Denver → Boston	N34551	Airbus A321 Neo	Completed	3196 km
2026-08-24 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N14564	Airbus A321 Neo	Completed	3117 km
2026-08-23 13:51 UTC	UAL558	DEN → BOS Denver → Boston	N14517	Airbus A321 Neo	Completed	4088 km
2026-08-21 13:57 UTC	UAL558	DEN → BOS Denver → Boston	N14502	Airbus A321 Neo	Completed	3959 km
2026-08-20 13:57 UTC	UAL558	DEN → BOS Denver → Boston	N14520	Airbus A321 Neo	Completed	5150 km
2026-08-19 13:59 UTC	UAL558	DEN → BOS Denver → Boston	N34562	Airbus A321 Neo	Completed	5193 km
2026-08-18 14:15 UTC	UAL558	DEN → BOS Denver → Boston	N14527	Airbus A321 Neo	Completed	5865 km
2026-08-17 13:51 UTC	UAL558	DEN → BOS Denver → Boston	N24505	Airbus A321 Neo	Completed	7251 km
2026-08-16 13:59 UTC	UAL558	DEN → BOS Denver → Boston	N24510	Airbus A321 Neo	Completed	3990 km
2026-08-14 13:52 UTC	UAL558	DEN → BOS Denver → Boston	N14533	Airbus A321 Neo	Completed	~6959 km est. (4103 km recorded)
2026-08-12 13:50 UTC	UAL558	DEN → BOS Denver → Boston	N44522	Airbus A321 Neo	Completed	4266 km
2026-08-11 13:54 UTC	UAL558	DEN → BOS Denver → Boston	N14517	Airbus A321 Neo	Completed	3147 km
2026-08-10 19:26 UTC	UAL558	? → DEN ? → Denver	N14517	Airbus A321 Neo	Completed	4940 km