UAL3891

UNITED AIRLINES INC · RFD ORD

UAL3891 is operated by UNITED AIRLINES INC between Chicago Rockford International Airport (KRFD) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 10m. SkyMeter has observed 22 legs of this flight number via ADS-B.

FLIGHTS
22
last 90 days
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
06/03/2025 → 06/26/2026
first → last seen
🗺
ROUTES / TYPES
20 / 7
city pairs · airframes
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
2
avg 25m · Chicago Rockford → Chicago O'Hare
2
avg 2h 26m · Mc Connell Air Force Base → Washington Dulles
1
avg 2h 53m · Tampa → Chicago O'Hare
1
avg 1h 17m · Mc Connell Air Force Base → Denver
1
avg 2h 25m · Chicago O'Hare → Melbourne
1
avg 2h 52m · Newark Liberty → Miami
1
avg 2h 12m · Orlando → George Bush Intercontinental Houston
1
avg 4h 12m · Melbourne → Denver
1
avg 1h 49m · Chicago O'Hare → Lake City Gateway
1
avg 1h 49m · Chicago O'Hare → Mc Connell Air Force Base

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 UAL3891

30
06/22/2026
4h 12m
No alerts
06/05/2026
1h 28m
No alerts
05/31/2026
2h 52m
No alerts
04/22/2026
2h 23m
No alerts
04/14/2026
1h 19m
No alerts
04/08/2026
1h 49m
No alerts
03/06/2026
1h 13m
No alerts
03/03/2026
1h 32m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window