Flight Status & Tracker

UAL3874

UNITED AIRLINES INC · ORD → RFD · Last tracked Oct 19, 2026

UAL3874 is a flight number operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Chicago Rockford International Airport (KRFD). SkyMeter last tracked UAL3874 on October 19, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 52m. SkyMeter has observed 20 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
20
last 90 days
⏱
AVG DURATION
1h 52m
tracked time
📅
SERVICE PERIOD
6/10/2025 → 10/19/2026
first → last seen
🗺
ROUTES / TYPES
18 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KORD → KRFD
2
avg 38m · Chicago O'Hare → Chicago Rockford
22JY → KEWR
1
avg 18m · Hess State Street Heliport → Newark Liberty
KRFD → KIAD
1
avg 1h 29m · Chicago Rockford → Washington Dulles
KMLB → KEWR
1
avg 2h 8m · Melbourne → Newark Liberty
KIAD → KMLB
1
avg 2h 10m · Washington Dulles → Melbourne
KIAB → KIAH
1
avg 1h 13m · Mc Connell Air Force Base → George Bush Intercontinental Houston
KORD → KMLB
1
avg 2h 46m · Chicago O'Hare → Melbourne
KIAB → KORD
1
avg 1h 32m · Mc Connell Air Force Base → Chicago O'Hare
KLCQ → KIAD
1
avg 1h 34m · Lake City Gateway → Washington Dulles
KIAH → KMCO
1
avg 1h 54m · George Bush Intercontinental Houston → Orlando

Aircraft types

Equipment used on this number

8
B739 BOEING Boeing 737-900
7
B738 BOEING Boeing 737-800
4
B763 BOEING Boeing 767-300
3
B78X BOEING Boeing 787-10 Dreamliner
2
A319 AIRBUS Airbus A319
2
A21N AIRBUS Airbus A321 Neo
1
B789 BOEING Boeing 787-9 Dreamliner
1
B39M BOEING Boeing 737 MAX 9
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
N843UAAIRBUS Airbus A319
→
10/19/2026
1h 34m
No alerts
Replay Analysis
N61887BOEING Boeing 737-900
→
10/18/2026
2h 43m
No alerts
Replay Analysis
N17002BOEING Boeing 787-10 Dreamliner
→
10/18/2026
18m
No alerts
Replay Analysis
N17002BOEING Boeing 787-10 Dreamliner
→
10/17/2026
2h 44m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
10/7/2026
1h 29m
No alerts
Replay Analysis
N33264BOEING Boeing 737-800
→
10/5/2026
1h 54m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
10/3/2026
55m
No alerts
Replay Analysis
N78524BOEING Boeing 737-800
→
10/1/2026
1h 31m
No alerts
Replay Analysis
N37531BOEING Boeing 737 MAX 9
→
9/28/2026
2h 7m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
9/25/2026
1h 33m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
9/25/2026
31m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
9/25/2026
2h 4m
No alerts
Replay Analysis
N62883BOEING Boeing 737-900
→
9/15/2026
2h 9m
No alerts
Replay Analysis
N827UAAIRBUS Airbus A319
→
9/6/2026
2h 45m
No alerts
Replay Analysis
N24568
→
8/29/2026
38m
No alerts
Replay Analysis
N24972BOEING Boeing 787-9 Dreamliner
→
8/28/2026
8h 53m
No alerts
Replay Analysis
N65832BOEING Boeing 737-900
→
8/22/2026
31m
No alerts
Replay Analysis
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
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window