Flight Status & Tracker

UAL3870

UNITED AIRLINES INC · IAB → ORD · Last tracked Sep 25, 2026

UAL3870 is a flight number operated by UNITED AIRLINES INC between Mc Connell Air Force Base (KIAB) and Chicago O'Hare International Airport (KORD). SkyMeter last tracked UAL3870 on September 25, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 50m. SkyMeter has observed 25 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
25
last 90 days
⏱
AVG DURATION
1h 50m
tracked time
📅
SERVICE PERIOD
5/31/2025 → 9/25/2026
first → last seen
🗺
ROUTES / TYPES
19 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KIAB → KORD
3
avg 1h 24m · Mc Connell Air Force Base → Chicago O'Hare
KMLB → KORD
2
avg 2h 27m · Melbourne → Chicago O'Hare
KMLB → KIAH
1
avg 1h 54m · Melbourne → George Bush Intercontinental Houston
KRFD → KORD
1
avg 57m · Chicago Rockford → Chicago O'Hare
KEWR → KMLB
1
avg 2h 36m · Newark Liberty → Melbourne
KPDX → KTPA
1
avg 5h 2m · Portland → Tampa
KIAD → KMLB
1
avg 1h 51m · Washington Dulles → Melbourne
KCLE → KRFD
1
avg 59m · Cleveland Hopkins → Chicago Rockford
KDEN → KVCV
1
avg 2h 2m · Denver → Southern California Logistics
KDEN → KLCQ
1
avg 3h 54m · Denver → Lake City Gateway

Aircraft types

Equipment used on this number

10
B738 BOEING Boeing 737-800
7
B764 BOEING Boeing 767-400
4
B739 BOEING Boeing 737-900
4
A21N AIRBUS Airbus A321 Neo
3
A320 AIRBUS Airbus A320
2
B39M BOEING Boeing 737 MAX 9
1
B789 BOEING Boeing 787-9 Dreamliner
1
B772 BOEING Boeing 777-200
1
B737 BOEING Boeing 737-700
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 UAL3870

30
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
2h 21m
No alerts
Replay Analysis
N77066BOEING Boeing 767-400
→
9/17/2026
3h 11m
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
N206UABOEING Boeing 777-200
→
9/10/2026
1h 58m
No alerts
Replay Analysis
N489UAAIRBUS Airbus A320
→
9/2/2026
2h 2m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
8/27/2026
2h 1m
No alerts
Replay Analysis
N87513BOEING Boeing 737-800
→
8/24/2026
1h 8m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
8/16/2026
56m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
8/14/2026
1h 8m
No alerts
Replay Analysis
N68061BOEING Boeing 767-400
→
8/12/2026
1h 54m
No alerts
Replay Analysis
N23983BOEING Boeing 787-9 Dreamliner
→
8/10/2026
17m
No alerts
Replay Analysis
N14528AIRBUS Airbus A321 Neo
→
8/2/2026
1h 53m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
7/30/2026
1h 57m
No alerts
Replay Analysis
N62895BOEING Boeing 737-900
→
7/23/2026
1h 20m
No alerts
Replay Analysis
N14512AIRBUS Airbus A321 Neo
→
7/21/2026
15m
No alerts
Replay Analysis
N14512AIRBUS Airbus A321 Neo
→
7/21/2026
2h 30m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
7/14/2026
1h 36m
No alerts
Replay Analysis
N14567
→
7/10/2026
2h 35m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
7/8/2026
3h 53m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
7/7/2026
1h 51m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
7/2/2026
1h 52m
No alerts
Replay Analysis
N830UAAIRBUS Airbus A319
→
6/26/2026
2h 2m
No alerts
Replay Analysis
N469UAAIRBUS Airbus A320
→
6/22/2026
3h 35m
No alerts
Replay Analysis
N14564AIRBUS Airbus A321 Neo
→
6/19/2026
3h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window