UAL2171

UNITED AIRLINES INC · ONT → ORD

UAL2171 is operated by UNITED AIRLINES INC between Ontario International Airport (KONT) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 757-200. Typical block time is 2h 44m. SkyMeter has observed 120 legs of this flight number via ADS-B.

✈
FLIGHTS
120
last 90 days
⏱
AVG DURATION
2h 44m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
14 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KONT → KORD
37
avg 3h 51m · Ontario → Chicago O'Hare
KORD → KEWR
26
avg 1h 59m · Chicago O'Hare → Newark Liberty
KPHX → KORD
20
avg 3h 11m · Phoenix Sky Harbor → Chicago O'Hare
KCHD → KORD
2
avg 3h 15m · Chandler → Chicago O'Hare
KEWR → KSFO
1
avg 5h 33m · Newark Liberty → San Francisco
KSFO → KMSP
1
avg 4h 1m · San Francisco → Minneapolis-St Paul International/Wold-Chamberlain
8NJ3 → KEWR
1
avg 42m · Lembo Heliport → Newark Liberty
KONT → KRFD
1
avg 5h 18m · Ontario → Chicago Rockford
KMSN → KSFO
1
avg 4h 11m · Dane County Regional Truax Field → San Francisco
KRFD → KORD
1
avg 36m · Chicago Rockford → Chicago O'Hare

Aircraft types

Equipment used on this number

6
B752 BOEING Boeing 757-200
62
B739 BOEING Boeing 737-900
50
B39M BOEING Boeing 737 MAX 9
22
B77W BOEING Boeing 777-300ER
2
B763 BOEING Boeing 767-300
1
B738 BOEING Boeing 737-800
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 UAL2171

30
N2645UBOEING Boeing 777-300ER
→
08/20/2026
4h 3m
No alerts
Replay Analysis
N2142UBOEING Boeing 777-300ER
→
08/19/2026
5h 33m
No alerts
Replay Analysis
N47462BOEING Boeing 737 MAX 9
→
08/17/2026
4h 10m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
08/15/2026
4h 1m
No alerts
Replay Analysis
N64844BOEING Boeing 737-900
→
08/10/2026
3h 40m
No alerts
Replay Analysis
N66837BOEING Boeing 737-900
→
08/09/2026
14m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
08/09/2026
1h 39m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
08/08/2026
23m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
08/08/2026
3h 49m
No alerts
Replay Analysis
N34460BOEING Boeing 737-900
→
08/07/2026
3h 43m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
08/07/2026
42m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
08/06/2026
1h 28m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
08/06/2026
32m
No alerts
Replay Analysis
N37434BOEING Boeing 737-900
→
08/06/2026
3h 48m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/06/2026
2h 10m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/06/2026
10m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/05/2026
31m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
08/05/2026
4h 3m
No alerts
Replay Analysis
N17104BOEING Boeing 757-200
→
08/04/2026
1h 43m
No alerts
Replay Analysis
N45440BOEING Boeing 737-900
→
08/04/2026
3h 52m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
08/04/2026
24m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
08/03/2026
1h 46m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
08/03/2026
2h 11m
No alerts
Replay Analysis
N68811BOEING Boeing 737-900
→
08/03/2026
3h 39m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/03/2026
29m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/02/2026
1h 58m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/02/2026
2h 28m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
08/02/2026
3h 58m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/02/2026
1h 40m
No alerts
Replay Analysis
N37462BOEING Boeing 737-900
→
08/01/2026
3h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window