UAL2100

UNITED AIRLINES INC · SEA → EWR

UAL2100 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Newark Liberty International Airport (KEWR). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 2h 28m. SkyMeter has observed 71 legs of this flight number via ADS-B.

✈
FLIGHTS
71
last 90 days
⏱
AVG DURATION
2h 28m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/02/2026
first → last seen
🗺
ROUTES / TYPES
8 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.4%
1 flagged

Routes flown

By count · last 90 days

5
KSEA → KEWR
18
avg 4h 58m · Seattle Tacoma → Newark Liberty
KSEA → KBWI
1
avg 5h 25m · Seattle Tacoma → Baltimore/Washington International Thurgood Marshall
KBWI → KEWR
1
avg 47m · Baltimore/Washington International Thurgood Marshall → Newark Liberty
KORD → KDEN
1
avg 2h 14m · Chicago O'Hare → Denver
2S1 → KEWR
1
avg 4h 39m · Vashon → Newark Liberty

Aircraft types

Equipment used on this number

5
A319 AIRBUS Airbus A319
45
B39M BOEING Boeing 737 MAX 9
41
B38M BOEING Boeing 737 MAX 8
10
B739 BOEING Boeing 737-900
7
A320 AIRBUS Airbus A320
4

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL2100

30
N17574BOEING Boeing 737 MAX 9
→
07/02/2026
1h 15m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
07/02/2026
3h 3m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
07/01/2026
1h 20m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
07/01/2026
5h 6m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
07/01/2026
2h 59m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
06/30/2026
1h 33m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
06/30/2026
4h 51m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
06/30/2026
3h 37m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
06/29/2026
1h 31m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
06/29/2026
5h 9m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/29/2026
3h 41m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/28/2026
1h 18m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/28/2026
4h 59m
No alerts
Replay Analysis
N891UAAIRBUS Airbus A319
→
06/28/2026
3h 42m
△ Unstable
Replay Analysis
N891UAAIRBUS Airbus A319
→
06/27/2026
1h 36m
No alerts
Replay Analysis
N891UAAIRBUS Airbus A319
→
06/27/2026
5h 19m
△ Unstable
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
06/27/2026
2h 51m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
06/26/2026
1h 32m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
06/26/2026
5h 0m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
06/26/2026
2h 52m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
06/25/2026
5h 0m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
06/25/2026
1h 41m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
06/22/2026
2h 46m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
06/21/2026
1h 13m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
06/21/2026
4h 38m
No alerts
Replay Analysis
N17420BOEING Boeing 737 MAX 9
→
06/20/2026
4h 52m
No alerts
Replay Analysis
N27539BOEING Boeing 737 MAX 9
→
06/19/2026
2h 40m
No alerts
Replay Analysis
N27539BOEING Boeing 737 MAX 9
→
06/18/2026
1h 22m
No alerts
Replay Analysis
N27539BOEING Boeing 737 MAX 9
→
06/18/2026
4h 25m
No alerts
Replay Analysis
N27252BOEING Boeing 737 MAX 8
→
06/15/2026
46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window