UAL2156

UNITED AIRLINES INC · IAD → LAS

UAL2156 is operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and McCarran International Airport (KLAS). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 16m. SkyMeter has observed 84 legs of this flight number via ADS-B.

✈
FLIGHTS
84
last 90 days
⏱
AVG DURATION
3h 16m
tracked time
📅
SERVICE PERIOD
04/08/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 3
city pairs · airframes
⚠
INCIDENT RATE
8.3%
7 flagged

Routes flown

By count · last 90 days

3
KIAD → KLAS
32
avg 5h 2m · Washington Dulles → McCarran
KRSW → KIAD
28
avg 2h 12m · Southwest Florida → Washington Dulles
3FA4 → KIAD
1
avg 1h 58m · Gulf Coast Medical Center Heliport → Washington Dulles

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
41
B39M BOEING Boeing 737 MAX 9
29
B738 BOEING Boeing 737-800
14

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
6
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 UAL2156

30
N35236BOEING Boeing 737-800
→
06/03/2026
4h 56m
△ Unstable
Replay Analysis
N27239BOEING Boeing 737-800
→
06/02/2026
17m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
06/02/2026
4h 34m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
06/01/2026
5h 5m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
05/31/2026
4h 55m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
05/29/2026
4h 7m
No alerts
Replay Analysis
N37281BOEING Boeing 737-800
→
05/28/2026
6m
No alerts
Replay Analysis
N37281BOEING Boeing 737-800
→
05/28/2026
4h 48m
No alerts
Replay Analysis
N77510BOEING Boeing 737-800
→
05/26/2026
15m
No alerts
Replay Analysis
N77510BOEING Boeing 737-800
→
05/26/2026
4h 38m
No alerts
Replay Analysis
N77539BOEING Boeing 737-800
→
05/25/2026
5h 10m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
05/24/2026
4h 56m
△ Unstable
Replay Analysis
N62884BOEING Boeing 737-900
→
05/23/2026
6m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
05/23/2026
4h 39m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/21/2026
7m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/21/2026
4h 51m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
05/18/2026
5h 0m
△ Unstable
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
05/18/2026
2h 17m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
05/17/2026
4h 58m
No alerts
Replay Analysis
N17407BOEING Boeing 737 MAX 9
→
05/17/2026
2h 19m
No alerts
Replay Analysis
N69826BOEING Boeing 737-900
→
05/16/2026
5h 7m
No alerts
Replay Analysis
N77584BOEING Boeing 737 MAX 9
→
05/16/2026
2h 21m
No alerts
Replay Analysis
N69847BOEING Boeing 737-900
→
05/15/2026
7m
No alerts
Replay Analysis
N69847BOEING Boeing 737-900
→
05/15/2026
4h 51m
No alerts
Replay Analysis
N27419BOEING Boeing 737 MAX 9
→
05/15/2026
2h 22m
No alerts
Replay Analysis
N69839BOEING Boeing 737-900
→
05/14/2026
7m
No alerts
Replay Analysis
N69839BOEING Boeing 737-900
→
05/14/2026
4h 39m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
05/14/2026
2h 8m
No alerts
Replay Analysis
N69829BOEING Boeing 737-900
→
05/13/2026
4h 59m
No alerts
Replay Analysis
N68834BOEING Boeing 737-900
→
05/11/2026
5h 22m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window