Flight Status & Tracker

UAL552

BOEING CO · SFO → ONT · Last tracked Sep 27, 2026

UAL552 is a flight number operated by BOEING CO between San Francisco International Airport (KSFO) and Ontario International Airport (KONT). SkyMeter last tracked UAL552 on September 27, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 2m. SkyMeter has observed 91 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
91
last 90 days
⏱
AVG DURATION
2h 2m
tracked time
📅
SERVICE PERIOD
5/28/2025 → 9/27/2026
first → last seen
🗺
ROUTES / TYPES
11 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

7
57
avg 1h 25m · San Francisco → Ontario
11
avg 5h 7m · Raleigh Durham → San Francisco
8
avg 3h 28m · Sacramento → George Bush Intercontinental Houston
2
avg 1h 16m · Half Moon Bay → Ontario
1
avg 4h 2m · Minneapolis-St Paul International/Wold-Chamberlain → San Francisco
1
avg 1h 56m · George Bush Intercontinental Houston → South Bend
1
avg 1h 21m · Metropolitan Oakland → Ontario

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL552

30
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window