UAL3874

UNITED AIRLINES INC · ORD → RFD

UAL3874 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Chicago Rockford International Airport (KRFD). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 35m. SkyMeter has observed 17 legs of this flight number via ADS-B.

✈
FLIGHTS
17
last 90 days
⏱
AVG DURATION
1h 35m
tracked time
📅
SERVICE PERIOD
6/10/2025 → 8/12/2026
first → last seen
🗺
ROUTES / TYPES
13 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KORD → KRFD
4
avg 30m · Chicago O'Hare → Chicago Rockford
KMLB → KORD
2
avg 2h 33m · Melbourne → Chicago O'Hare
KMLB → KIAH
1
avg 2h 4m · Melbourne → George Bush Intercontinental Houston
KDEN → KLCQ
1
avg 3h 8m · Denver → Lake City Gateway
KLCQ → KEWR
1
avg 2h 19m · Lake City Gateway → Newark Liberty
KGSO → KIAD
1
avg 55m · Piedmont Triad → Washington Dulles
KIAB → KIAH
1
avg 1h 13m · Mc Connell Air Force Base → George Bush Intercontinental Houston
KORD → KPNS
1
avg 2h 4m · Chicago O'Hare → Pensacola
KORD → KMLB
1
avg 2h 21m · Chicago O'Hare → Melbourne
KDEN → KAMA
1
avg 59m · Denver → Rick Husband Amarillo

Aircraft types

Equipment used on this number

6
B739 BOEING Boeing 737-900
6
A21N AIRBUS Airbus A321 Neo
5
B738 BOEING Boeing 737-800
4
A320 AIRBUS Airbus A320
1
B752 BOEING Boeing 757-200
1
A319 AIRBUS Airbus A319
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 UAL3874

30
N14540AIRBUS Airbus A321 Neo
→
8/12/2026
1h 58m
No alerts
Replay Analysis
N73445BOEING Boeing 737-900
→
8/5/2026
58m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
7/31/2026
1h 12m
No alerts
Replay Analysis
N67827BOEING Boeing 737-900
→
7/23/2026
45m
No alerts
Replay Analysis
N67827BOEING Boeing 737-900
→
7/23/2026
8m
No alerts
Replay Analysis
N78540BOEING Boeing 737-800
→
7/21/2026
16m
No alerts
Replay Analysis
N14520AIRBUS Airbus A321 Neo
→
7/17/2026
3h 8m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
6/30/2026
2h 30m
No alerts
Replay Analysis
N14518AIRBUS Airbus A321 Neo
→
6/27/2026
2h 36m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
6/25/2026
55m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
6/22/2026
42m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
6/19/2026
2h 4m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
6/13/2026
2h 20m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
6/10/2026
18m
No alerts
Replay Analysis
N66828BOEING Boeing 737-900
→
6/6/2026
2h 3m
No alerts
Replay Analysis
N68453BOEING Boeing 737-900
→
6/4/2026
2h 48m
No alerts
Replay Analysis
N850UAAIRBUS Airbus A319
→
5/26/2026
2h 19m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
5/16/2026
17m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
5/15/2026
2h 58m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
5/15/2026
3h 15m
No alerts
Replay Analysis
N493UAAIRBUS Airbus A320
→
5/11/2026
1h 49m
No alerts
Replay Analysis
N37277BOEING Boeing 737-800
→
5/8/2026
1h 46m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
5/4/2026
1h 46m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
4/30/2026
2h 11m
No alerts
Replay Analysis
N38467BOEING Boeing 737-900
→
4/28/2026
1h 14m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
4/23/2026
1h 19m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
4/16/2026
1h 9m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
4/11/2026
36m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
4/10/2026
2h 9m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
4/10/2026
2h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window