Flight Status & Tracker

UAL3870

UNITED AIRLINES INC · RFD → ORD · Last tracked Nov 10, 2026

UAL3870 is a flight number operated by UNITED AIRLINES INC between Chicago Rockford International Airport (KRFD) and Chicago O'Hare International Airport (KORD). SkyMeter last tracked UAL3870 on November 10, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 36m. SkyMeter has observed 34 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
34
last 90 days
⏱
AVG DURATION
2h 36m
tracked time
📅
SERVICE PERIOD
5/31/2025 → 11/10/2026
first → last seen
🗺
ROUTES / TYPES
28 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KRFD → KORD
2
avg 40m · Chicago Rockford → Chicago O'Hare
KMLB → KEWR
2
avg 2h 7m · Melbourne → Newark Liberty
KIAH → KIAB
2
avg 1h 15m · George Bush Intercontinental Houston → Mc Connell Air Force Base
KDEN → KVCV
1
avg 2h 2m · Denver → Southern California Logistics
KLCQ → KIAH
1
avg 1h 36m · Lake City Gateway → George Bush Intercontinental Houston
KIAB → KORD
1
avg 1h 17m · Mc Connell Air Force Base → Chicago O'Hare
KSAT → KSFO
1
avg 3h 50m · San Antonio → San Francisco
KPDX → KTPA
1
avg 5h 2m · Portland → Tampa
KORD → KSFO
1
avg 4h 20m · Chicago O'Hare → San Francisco
KSFO → KSAT
1
avg 3h 23m · San Francisco → San Antonio

Aircraft types

Equipment used on this number

10
B739 BOEING Boeing 737-900
7
B772 BOEING Boeing 777-200
6
B738 BOEING Boeing 737-800
5
B39M BOEING Boeing 737 MAX 9
4
B764 BOEING Boeing 767-400
3
B763 BOEING Boeing 767-300
2
B789 BOEING Boeing 787-9 Dreamliner
2
A320 AIRBUS Airbus A320
2
B752 BOEING Boeing 757-200
1
A21N AIRBUS Airbus A321 Neo
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 UAL3870

30
N13954BOEING Boeing 787-9 Dreamliner
→
11/10/2026
8h 41m
No alerts
Replay Analysis
N17303BOEING Boeing 737 MAX 8
→
11/9/2026
2h 23m
No alerts
Replay Analysis
N73406BOEING Boeing 737-900
→
11/7/2026
1h 17m
No alerts
Replay Analysis
N662UABOEING Boeing 767-300
→
11/6/2026
37m
No alerts
Replay Analysis
N783UABOEING Boeing 777-200
→
11/1/2026
10h 53m
No alerts
Replay Analysis
N2747UBOEING Boeing 777-300ER
→
11/1/2026
3h 50m
No alerts
Replay Analysis
N773UABOEING Boeing 777-200
→
10/29/2026
1h 25m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
10/28/2026
1h 49m
No alerts
Replay Analysis
N77572BOEING Boeing 737 MAX 9
→
10/27/2026
2h 4m
No alerts
Replay Analysis
N78008BOEING Boeing 777-200
→
10/26/2026
2h 22m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
10/25/2026
2h 6m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
10/24/2026
1h 17m
No alerts
Replay Analysis
N795UABOEING Boeing 777-200
→
10/21/2026
14m
No alerts
Replay Analysis
N795UABOEING Boeing 777-200
→
10/21/2026
3h 22m
No alerts
Replay Analysis
N12004BOEING Boeing 787-10 Dreamliner
→
10/19/2026
3h 15m
No alerts
Replay Analysis
N22992BOEING Boeing 787-9 Dreamliner
→
10/19/2026
8h 57m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
10/10/2026
2h 9m
No alerts
Replay Analysis
N69847BOEING Boeing 737-900
→
10/7/2026
24m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
10/5/2026
4h 20m
No alerts
Replay Analysis
N37419BOEING Boeing 737-900
→
10/5/2026
1h 12m
No alerts
Replay Analysis
N44522AIRBUS Airbus A321 Neo
→
10/2/2026
1h 36m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
9/25/2026
5h 2m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
9/23/2026
58m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
9/23/2026
14m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
9/21/2026
1h 17m
No alerts
Replay Analysis
N77066BOEING Boeing 767-400
→
9/18/2026
49m
No alerts
Replay Analysis
N77066BOEING Boeing 767-400
→
9/17/2026
3h 11m
No alerts
Replay Analysis
N77066BOEING Boeing 767-400
→
9/17/2026
2h 21m
No alerts
Replay Analysis
N19136BOEING Boeing 757-200
→
9/14/2026
1h 43m
No alerts
Replay Analysis
N77535BOEING Boeing 737-800
→
9/11/2026
2h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window