UAL3873

UNITED AIRLINES INC · ORD → INT

UAL3873 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Smith Reynolds Airport (KINT). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 1h 39m. SkyMeter has observed 10 legs of this flight number via ADS-B.

✈
FLIGHTS
10
last 90 days
⏱
AVG DURATION
1h 39m
tracked time
📅
SERVICE PERIOD
04/28/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
10 / 6
city pairs · airframes
⚠
INCIDENT RATE
20.0%
2 flagged

Routes flown

By count · last 90 days

8
KORD → KINT
1
avg 1h 14m · Chicago O'Hare → Smith Reynolds
KIAH → KIAB
1
avg 1h 13m · George Bush Intercontinental Houston → Mc Connell Air Force Base
5NC7 → KDEN
1
avg 3h 5m · Nc Baptist Hospital Heliport → Denver
KORD → KMCO
1
avg 2h 21m · Chicago O'Hare → Orlando
KORD → KLCQ
1
avg 2h 2m · Chicago O'Hare → Lake City Gateway
KIAD → KINT
1
avg 51m · Washington Dulles → Smith Reynolds
KSEA → KPDX
1
avg 37m · Seattle Tacoma → Portland
KDEN → KIAD
1
avg 3h 44m · Denver → Washington Dulles

Aircraft types

Equipment used on this number

6
A320 AIRBUS Airbus A320
4
B738 BOEING Boeing 737-800
2
A21N AIRBUS Airbus A321 Neo
1
A319 AIRBUS Airbus A319
1
B739 BOEING Boeing 737-900
1
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 10 operations of UAL3873

10
N24514AIRBUS Airbus A321 Neo
→
06/02/2026
2h 20m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/29/2026
1h 8m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/23/2026
3h 5m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
05/18/2026
36m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/15/2026
50m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/15/2026
3h 43m
No alerts
Replay Analysis
N846UAAIRBUS Airbus A319
→
05/11/2026
1h 14m
△ Unstable
Replay Analysis
N76519BOEING Boeing 737-800
→
05/08/2026
14m
No alerts
Replay Analysis
N444UAAIRBUS Airbus A320
→
04/30/2026
2h 2m
△ Unstable
Replay Analysis
N68836BOEING Boeing 737-900
→
04/28/2026
1h 13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window