UAL3878

UNITED AIRLINES INC · ORD → IAB

UAL3878 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Mc Connell Air Force Base (KIAB). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 33m. SkyMeter has observed 8 legs of this flight number via ADS-B.

✈
FLIGHTS
8
last 90 days
⏱
AVG DURATION
1h 33m
tracked time
📅
SERVICE PERIOD
04/30/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KORD → KIAB
2
avg 1h 28m · Chicago O'Hare → Mc Connell Air Force Base
KIAB → KTPA
1
avg 2h 37m · Mc Connell Air Force Base → Tampa
9FD1 → KORD
1
avg 2h 16m · Sacred Heart Hospital Heliport → Chicago O'Hare
KPNS → KEWR
1
avg 2h 10m · Pensacola → Newark Liberty
CN35 → KSNA
1
avg 33m · Hughes/Space & Comm. Heliport → John Wayne Airport-Orange County
KIAB → KDEN
1
avg 1h 17m · Mc Connell Air Force Base → Denver

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
4
A320 AIRBUS Airbus A320
1
B752 BOEING Boeing 757-200
1
B737 BOEING Boeing 737-700
1
B753 BOEING Boeing 757-300
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 8 operations of UAL3878

8
N75426BOEING Boeing 737-900
→
06/02/2026
1h 28m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
05/29/2026
41m
No alerts
Replay Analysis
N75432BOEING Boeing 737-900
→
05/26/2026
2h 37m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
05/23/2026
1h 27m
No alerts
Replay Analysis
N37456BOEING Boeing 737-900
→
05/15/2026
1h 17m
No alerts
Replay Analysis
N25705BOEING Boeing 737-700
→
05/11/2026
33m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
05/10/2026
2h 9m
No alerts
Replay Analysis
N57855BOEING Boeing 757-300
→
04/30/2026
2h 15m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window