UAL1021

Flight

Status

Incomplete (signal lost)

Departure

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

Departed

2026-09-23 23:10 UTC (first seen)

Arrival

Tampa International Airport (TPA) — Tampa, United States (predicted)

Distance flown

337 km

Straight-line distance

1607 km

Aircraft

Registration

N17427

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

486 kt

Tracked

23m · 335 km

Altitude (ft, max 35,000)

Ground speed (kt, max 486)

Altitude (ft, max 35,000)

Ground speed (kt, max 486)

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
2026-10-01 19:29 UTC	UAL1021	EWR → PTY Newark → Tocumen	N27511	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3664 km est. (2063 km recorded)
2026-09-30 19:28 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37541	Boeing 737 MAX 9	Incomplete (signal lost)	~3660 km est. (2800 km recorded)
2026-09-29 22:54 UTC	UAL1021	EWR → TPA Newark → Tampa	N37542	Boeing 737 MAX 9	Incomplete (signal lost)	~1660 km est. (332 km recorded)
2026-09-29 19:40 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37542	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3715 km est. (2092 km recorded)
2026-09-28 20:23 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17444	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3706 km est. (2838 km recorded)
2026-09-27 20:23 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37449	Boeing 737 MAX 9	Incomplete (signal lost)	~3698 km est. (2811 km recorded)
2026-09-26 19:34 UTC	UAL1021	EWR → PTY Newark → Tocumen	B737-M9	Boeing 737 MAX 9	Incomplete (signal lost)	~3686 km est. (2861 km recorded)
2026-09-25 19:53 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37514	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3709 km est. (2868 km recorded)
2026-09-24 19:32 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17566	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3871 km est. (2999 km recorded)
2026-09-24 16:42 UTC	UAL1021	IAD → EWR Washington, DC → Newark	N17566	Boeing 737 MAX 9	Completed	521 km
2026-09-23 23:10 UTC	UAL1021	EWR → TPA Newark → Tampa	N17427	Boeing 737 MAX 9	Incomplete (signal lost)	~1667 km est. (337 km recorded)
2026-09-23 20:00 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17427	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3720 km est. (2098 km recorded)
2026-09-22 22:43 UTC	UAL1021	EWR → ? Newark → ?	N27511	Boeing 737 MAX 9	Incomplete (signal lost)	186 km
2026-09-22 19:23 UTC	UAL1021	EWR → PTY Newark → Tocumen	N27511	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3714 km est. (1884 km recorded)
2026-09-22 04:45 UTC	UAL1021	? → ?	N37535	Boeing 737 MAX 9	Incomplete (signal lost)	187 km
2026-09-22 01:30 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37535	Boeing 737 MAX 9	Incomplete (signal lost)	~3692 km est. (1961 km recorded)
2026-09-20 19:18 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17460	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3676 km est. (2796 km recorded)
2026-09-19 19:30 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17435	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3814 km est. (2853 km recorded)
2026-09-18 19:18 UTC	UAL1021	EWR → PTY Newark → Tocumen	N27511	Boeing 737 MAX 9	Incomplete (signal lost)	~3814 km est. (2927 km recorded)
2026-09-17 19:28 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37549	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3827 km est. (2958 km recorded)
2026-09-16 19:25 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37563	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3813 km est. (2822 km recorded)
2026-09-15 19:38 UTC	UAL1021	EWR → PTY Newark → Tocumen	N77588	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3815 km est. (2954 km recorded)
2026-09-14 19:16 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17583	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3843 km est. (2991 km recorded)
2026-09-13 19:22 UTC	UAL1021	EWR → PTY Newark → Tocumen	N77590	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3815 km est. (2921 km recorded)
2026-09-12 19:33 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37450	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3982 km est. (3014 km recorded)
2026-09-11 19:59 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37561	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3918 km est. (3001 km recorded)
2026-09-10 19:32 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37563	Boeing 737 MAX 9	Incomplete (signal lost)	~3873 km est. (2987 km recorded)
2026-09-09 19:19 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17594	Boeing 737-900	Completed (landing confirmed by airport data)	~3821 km est. (2930 km recorded)
2026-09-07 19:12 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37560	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~4090 km est. (3204 km recorded)
2026-09-06 19:52 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37531	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3790 km est. (2948 km recorded)
2026-09-05 19:18 UTC	UAL1021	EWR → PTY Newark → Tocumen	N77575	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3886 km est. (3062 km recorded)
2026-09-04 19:30 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37555	Boeing 737 MAX 9	Incomplete (signal lost)	~3844 km est. (2883 km recorded)
2026-09-03 19:58 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37450	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~3898 km est. (2991 km recorded)
2026-09-02 21:11 UTC	UAL1021	EWR → TPA Newark → Tampa	N17566	Boeing 737 MAX 9	Completed	~4600 km est. (3252 km recorded)
2026-09-01 19:15 UTC	UAL1021	EWR → TPA Newark → Tampa	N77584	Boeing 737 MAX 9	Completed	~4512 km est. (3133 km recorded)
2026-08-31 19:53 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37450	Boeing 737 MAX 9	Completed	~4070 km est. (3228 km recorded)
2026-08-30 19:34 UTC	UAL1021	EWR → TPA Newark → Tampa	N17574	Boeing 737 MAX 9	Completed	~4703 km est. (3347 km recorded)
2026-08-29 19:15 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17452	Boeing 737 MAX 9	Completed	~3866 km est. (2995 km recorded)
2026-08-28 19:18 UTC	UAL1021	EWR → PTY Newark → Tocumen	N77558	Boeing 737 MAX 9	Incomplete (signal lost)	~3906 km est. (3117 km recorded)
2026-08-28 00:25 UTC	UAL1021	EWR → PTY Newark → Tocumen	N37502	Boeing 737 MAX 9	Completed	~4067 km est. (3217 km recorded)
2026-08-26 19:48 UTC	UAL1021	EWR → EWR Newark → Newark	N27511	Boeing 737 MAX 9	Completed	~6010 km est. (3408 km recorded)
2026-08-25 19:32 UTC	UAL1021	EWR → EWR Newark → Newark	N37562	Boeing 737 MAX 9	Completed	~5706 km est. (2952 km recorded)
2026-08-24 19:44 UTC	UAL1021	EWR → EWR Newark → Newark	N37577	Boeing 737 MAX 9	Completed	~6585 km est. (3364 km recorded)
2026-08-22 19:17 UTC	UAL1021	EWR → PTY Newark → Tocumen	N17437	Boeing 737 MAX 9	Completed	4551 km
2026-08-17 19:17 UTC	UAL1021	EWR → ? Newark → ?	N77552	Boeing 737 MAX 9	Completed	3405 km
2026-08-16 19:40 UTC	UAL1021	EWR → ? Newark → ?	N37535	Boeing 737 MAX 9	Completed	3789 km
2026-08-15 19:29 UTC	UAL1021	EWR → ? Newark → ?	N37555	Boeing 737 MAX 9	Completed	3912 km
2026-08-14 19:17 UTC	UAL1021	EWR → ? Newark → ?	N17444	Boeing 737 MAX 9	Completed	4016 km
2026-08-13 19:47 UTC	UAL1021	EWR → ? Newark → ?	N17421	Boeing 737 MAX 9	Incomplete (signal lost)	2961 km
2026-08-13 15:42 UTC	UAL1021	TPA → EWR Tampa → Newark	N17421	Boeing 737 MAX 9	Completed	1895 km