Flight Status & Tracker

UAL304

UNITED AIRLINES INC · BOS → SFO · Last tracked Oct 20, 2026

UAL304 is a flight number operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL304 on October 20, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 7m. SkyMeter has observed 63 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
63
last 90 days
⏱
AVG DURATION
3h 7m
tracked time
📅
SERVICE PERIOD
5/28/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
5 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
20
avg 6h 8m · General Edward Lawrence Logan → San Francisco
20
avg 1h 36m · Chicago O'Hare → Washington Dulles
15
avg 49m · Austin Bergstrom → George Bush Intercontinental Houston

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 UAL304

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