UAL4204

UNITED AIRLINES INC · MLB → ORD

UAL4204 is operated by UNITED AIRLINES INC between Melbourne International Airport (KMLB) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 1h 11m. SkyMeter has observed 5 legs of this flight number via ADS-B.

✈
FLIGHTS
5
last 90 days
⏱
AVG DURATION
1h 11m
tracked time
📅
SERVICE PERIOD
04/18/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
2 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KMLB → KORD
1
avg 2h 44m · Melbourne → Chicago O'Hare

Aircraft types

Equipment used on this number

5
A319 AIRBUS Airbus A319
1
B738 BOEING Boeing 737-800
1
B737 BOEING Boeing 737-700
1
B753 BOEING Boeing 757-300
1
B772 BOEING Boeing 777-200
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 5 operations of UAL4204

5
N56859BOEING Boeing 757-300
→
06/03/2026
39m
No alerts
Replay Analysis
N211UABOEING Boeing 777-200
→
05/26/2026
1h 11m
No alerts
Replay Analysis
N15710BOEING Boeing 737-700
→
05/18/2026
40m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
05/01/2026
40m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
04/18/2026
2h 43m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window