UAL2104

UNITED AIRLINES INC · STL → EWR

UAL2104 is operated by UNITED AIRLINES INC between St Louis Lambert International Airport (KSTL) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 49m. SkyMeter has observed 85 legs of this flight number via ADS-B.

✈
FLIGHTS
85
last 90 days
⏱
AVG DURATION
1h 49m
tracked time
📅
SERVICE PERIOD
05/29/2025 → 07/17/2026
first → last seen
🗺
ROUTES / TYPES
11 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KSTL → KEWR
30
avg 2h 0m · St Louis Lambert → Newark Liberty
KEWR → KCLT
18
avg 1h 46m · Newark Liberty → Charlotte Douglas
KORD → KBDL
17
avg 1h 42m · Chicago O'Hare → Bradley
KORD → KBOS
7
avg 2h 2m · Chicago O'Hare → General Edward Lawrence Logan
KCHS → KDEN
1
avg 3h 38m · Charleston Air Force Base-International → Denver
31NC → KCLT
1
avg 10m · NH HMC Heliport → Charlotte Douglas

Aircraft types

Equipment used on this number

4
B38M BOEING Boeing 737 MAX 8
68
B739 BOEING Boeing 737-900
19
B39M BOEING Boeing 737 MAX 9
13
A319 AIRBUS Airbus A319
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 UAL2104

30
N17331BOEING Boeing 737 MAX 8
→
07/17/2026
1h 43m
No alerts
Replay Analysis
N27270BOEING Boeing 737 MAX 8
→
07/16/2026
1h 39m
No alerts
Replay Analysis
N17314BOEING Boeing 737 MAX 8
→
07/16/2026
1h 30m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
07/15/2026
1h 11m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
07/14/2026
1h 54m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
07/14/2026
42m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
07/13/2026
1h 2m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
07/13/2026
1h 26m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
07/12/2026
21m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
07/11/2026
1h 40m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
07/11/2026
2h 2m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
07/11/2026
1h 51m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
07/10/2026
1h 37m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/09/2026
9m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/08/2026
1h 54m
No alerts
Replay Analysis
N37313BOEING Boeing 737 MAX 8
→
07/08/2026
1h 3m
No alerts
Replay Analysis
N37313BOEING Boeing 737 MAX 8
→
07/07/2026
43m
No alerts
Replay Analysis
N37313BOEING Boeing 737 MAX 8
→
07/07/2026
1h 47m
No alerts
Replay Analysis
N37351BOEING Boeing 737 MAX 8
→
07/07/2026
2h 4m
No alerts
Replay Analysis
N17262BOEING Boeing 737 MAX 8
→
07/06/2026
21m
No alerts
Replay Analysis
N17262BOEING Boeing 737 MAX 8
→
07/05/2026
2h 18m
No alerts
Replay Analysis
N17262BOEING Boeing 737 MAX 8
→
07/05/2026
1h 56m
No alerts
Replay Analysis
N17349BOEING Boeing 737 MAX 8
→
07/04/2026
19m
No alerts
Replay Analysis
N17349BOEING Boeing 737 MAX 8
→
07/03/2026
1h 26m
No alerts
Replay Analysis
N17349BOEING Boeing 737 MAX 8
→
07/03/2026
1h 45m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
07/02/2026
1h 43m
No alerts
Replay Analysis
N27274BOEING Boeing 737 MAX 8
→
07/02/2026
2h 8m
No alerts
Replay Analysis
N37367BOEING Boeing 737 MAX 8
→
07/01/2026
28m
No alerts
Replay Analysis
N37367BOEING Boeing 737 MAX 8
→
06/30/2026
1h 23m
No alerts
Replay Analysis
N37367BOEING Boeing 737 MAX 8
→
06/30/2026
1h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window