N21108

B752BOEING Boeing 757-200

UNITED AIRLINES INC· ICAO24 a1bfb2· last seen 20h ago

N21108 is a BOEING Boeing 757-200 operated by UNITED AIRLINES INC. SkyMeter has tracked 130 flights totalling 449 hours of airtime via ADS-B across 40 callsigns. The most frequent segment is KEWR to KORD. Service window in our records spans 46 days. Of those flights, 4 (3.1%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

✈
FLIGHTS
130
all time
⏱
FLOWN HOURS
449
tracked time
📍
AIRPORTS VISITED
14
unique
📡
CALLSIGNS
40
33 routes
📅
SERVICE PERIOD
04/18/2026 → 06/03/2026
first → last
⚠
INCIDENT RATE
3.1%
4 flagged

Top routes

By flight count

10
KEWR → KORD
6
KEWR → KSFO
4
KEWR → KLAX
3
KDEN → KEWR
3
KSFO → KEWR
3
KORD → KEWR
3
KLAX → KEWR
2
KEWR → KLAS
2
PHLI → KDEN
2
KEWR → KDEN
2

Flight numbers

Most-flown by this airframe

10
UAL2307 5
UAL118 5
UAL1386 3
UAL1864 3
UAL1209 3
UAL254 3
UAL1558 2
UAL2209 2
UAL2308 2
UAL2788 2

Aircraft specifications

BOEING Boeing 757-200

Engines
Twin Jet
Vref (approach)
137 kt
MTOW
255,500 lb
Wingspan
135 ft
Length
155 ft
Wake category
Medium

Recent flights

Newest 50 operations of N21108

50
UAL661BOEING Boeing 757-200
→
06/03/2026
2h 17m
No alerts
Replay Analysis
UAL2743BOEING Boeing 757-200
→
06/03/2026
5h 2m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
06/03/2026
4h 27m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
06/02/2026
5h 44m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
06/02/2026
1h 17m
No alerts
Replay Analysis
UAL282BOEING Boeing 757-200
→
06/02/2026
7h 53m
No alerts
Replay Analysis
UAL281BOEING Boeing 757-200
→
06/02/2026
6h 38m
△ Unstable
Replay Analysis
UAL2227BOEING Boeing 757-200
→
05/29/2026
4h 42m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
05/29/2026
3h 1m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
05/28/2026
2h 33m
No alerts
Replay Analysis
UAL2641BOEING Boeing 757-200
→
05/28/2026
5h 35m
No alerts
Replay Analysis
UAL1149BOEING Boeing 757-200
→
05/28/2026
5h 23m
No alerts
Replay Analysis
UAL2328BOEING Boeing 757-200
→
05/28/2026
52m
No alerts
Replay Analysis
UAL119BOEING Boeing 757-200
→
05/26/2026
1h 55m
No alerts
Replay Analysis
UAL119BOEING Boeing 757-200
→
05/26/2026
46m
No alerts
Replay Analysis
UAL118BOEING Boeing 757-200
→
05/26/2026
41m
No alerts
Replay Analysis
UAL118BOEING Boeing 757-200
→
05/26/2026
1h 58m
No alerts
Replay Analysis
UAL2788BOEING Boeing 757-200
→
05/25/2026
2h 20m
No alerts
Replay Analysis
UAL37BOEING Boeing 757-200
→
05/25/2026
2h 11m
No alerts
Replay Analysis
UAL37BOEING Boeing 757-200
→
05/25/2026
50m
No alerts
Replay Analysis
UAL118BOEING Boeing 757-200
→
05/25/2026
46m
No alerts
Replay Analysis
UAL118BOEING Boeing 757-200
→
05/25/2026
1h 48m
No alerts
Replay Analysis
UAL118BOEING Boeing 757-200
→
05/24/2026
6m
No alerts
Replay Analysis
UAL2788BOEING Boeing 757-200
→
05/24/2026
2h 51m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/24/2026
3h 54m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/23/2026
36m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/23/2026
4h 52m
No alerts
Replay Analysis
UAL1864BOEING Boeing 757-200
→
05/23/2026
5m
No alerts
Replay Analysis
UAL1864BOEING Boeing 757-200
→
05/23/2026
5h 5m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/23/2026
3h 58m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/22/2026
45m
No alerts
Replay Analysis
UAL1386BOEING Boeing 757-200
→
05/21/2026
39m
No alerts
Replay Analysis
UAL1864BOEING Boeing 757-200
→
05/21/2026
5h 5m
No alerts
Replay Analysis
UAL2416BOEING Boeing 757-200
→
05/21/2026
5h 3m
No alerts
Replay Analysis
UAL1844BOEING Boeing 757-200
→
05/21/2026
6h 47m
No alerts
Replay Analysis
UAL2381BOEING Boeing 757-200
→
05/20/2026
3h 25m
No alerts
Replay Analysis
UAL2308BOEING Boeing 757-200
→
05/20/2026
2h 45m
No alerts
Replay Analysis
UAL2308BOEING Boeing 757-200
→
05/20/2026
16m
No alerts
Replay Analysis
UAL2308BOEING Boeing 757-200
→
05/20/2026
6h 56m
No alerts
Replay Analysis
UAL2307BOEING Boeing 757-200
→
05/20/2026
26m
△ Unstable
Replay Analysis
UAL2307BOEING Boeing 757-200
→
05/18/2026
2h 41m
No alerts
Replay Analysis
UAL1759BOEING Boeing 757-200
→
05/18/2026
2h 18m
No alerts
Replay Analysis
UAL1758BOEING Boeing 757-200
→
05/17/2026
2h 45m
No alerts
Replay Analysis
UAL2308BOEING Boeing 757-200
→
05/17/2026
6h 33m
No alerts
Replay Analysis
UAL2307BOEING Boeing 757-200
→
05/17/2026
29m
No alerts
Replay Analysis
UAL2307BOEING Boeing 757-200
→
05/16/2026
2h 53m
No alerts
Replay Analysis
UAL1197BOEING Boeing 757-200
→
05/16/2026
33m
No alerts
Replay Analysis
UAL1197BOEING Boeing 757-200
→
05/15/2026
3h 24m
No alerts
Replay Analysis
UAL1197BOEING Boeing 757-200
→
05/15/2026
3h 57m
No alerts
Replay Analysis
UAL419BOEING Boeing 757-200
→
05/15/2026
5h 8m
No alerts
Replay Analysis
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