Flight Status & Tracker

UAL556

UNITED AIRLINES INC · EWR → IAH · Last tracked Oct 21, 2026

UAL556 is a flight number operated by UNITED AIRLINES INC between Newark Liberty International Airport (KEWR) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL556 on October 21, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 21m. SkyMeter has observed 78 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
78
last 90 days
⏱
AVG DURATION
3h 21m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/21/2026
first → last seen
🗺
ROUTES / TYPES
3 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KEWR → KIAH
76
avg 3h 19m · Newark Liberty → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
57
B739 BOEING Boeing 737-900
19
B38M BOEING Boeing 737 MAX 8
1
B738 BOEING Boeing 737-800
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 UAL556

30
N37502BOEING Boeing 737 MAX 9
→
10/21/2026
3h 24m
No alerts
Replay Analysis
N77552BOEING Boeing 737 MAX 9
→
10/20/2026
3h 35m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
10/18/2026
3h 16m
No alerts
Replay Analysis
N17468BOEING Boeing 737 MAX 9
→
10/17/2026
3h 34m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
10/16/2026
3h 27m
No alerts
Replay Analysis
N37508BOEING Boeing 737 MAX 9
→
10/15/2026
3h 16m
No alerts
Replay Analysis
N27520BOEING Boeing 737 MAX 9
→
10/10/2026
3h 8m
No alerts
Replay Analysis
N17406BOEING Boeing 737 MAX 9
→
10/9/2026
3h 40m
No alerts
Replay Analysis
N17420BOEING Boeing 737 MAX 9
→
10/8/2026
3h 28m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
10/7/2026
3h 12m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
10/6/2026
3h 28m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
10/5/2026
3h 28m
No alerts
Replay Analysis
N17461BOEING Boeing 737 MAX 9
→
10/4/2026
3h 38m
No alerts
Replay Analysis
N17458BOEING Boeing 737 MAX 9
→
10/3/2026
3h 33m
No alerts
Replay Analysis
N28478BOEING Boeing 737-900
→
10/2/2026
3h 24m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
10/1/2026
3h 16m
No alerts
Replay Analysis
N77573BOEING Boeing 737 MAX 9
→
9/30/2026
3h 1m
No alerts
Replay Analysis
N77587BOEING Boeing 737 MAX 9
→
9/29/2026
3h 8m
No alerts
Replay Analysis
N37508BOEING Boeing 737 MAX 9
→
9/28/2026
3h 25m
No alerts
Replay Analysis
N17465BOEING Boeing 737 MAX 9
→
9/26/2026
3h 16m
No alerts
Replay Analysis
N37542BOEING Boeing 737 MAX 9
→
9/25/2026
3h 11m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
9/24/2026
3h 5m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
9/23/2026
3h 35m
No alerts
Replay Analysis
N37553BOEING Boeing 737 MAX 9
→
9/22/2026
3h 21m
No alerts
Replay Analysis
N17403BOEING Boeing 737 MAX 9
→
9/20/2026
3h 56m
No alerts
Replay Analysis
N37540BOEING Boeing 737 MAX 9
→
9/19/2026
3h 20m
No alerts
Replay Analysis
N77575BOEING Boeing 737 MAX 9
→
9/18/2026
3h 9m
No alerts
Replay Analysis
N47524BOEING Boeing 737 MAX 9
→
9/17/2026
3h 22m
No alerts
Replay Analysis
N17477BOEING Boeing 737 MAX 9
→
9/16/2026
3h 19m
No alerts
Replay Analysis
N17433BOEING Boeing 737 MAX 9
→
9/15/2026
3h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window