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 38m. SkyMeter has observed 121 legs of this flight number via ADS-B.

✈
FLIGHTS
121
last 90 days
⏱
AVG DURATION
2h 38m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/10/2026
first → last seen
🗺
ROUTES / TYPES
11 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
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
KORD → KALB
4
avg 1h 27m · Chicago O'Hare → Albany
KCHD → KORD
3
avg 3h 13m · Chandler → Chicago O'Hare
8NJ3 → KEWR
1
avg 42m · Lembo Heliport → Newark Liberty
KONT → KRFD
1
avg 5h 18m · Ontario → Chicago Rockford
KRFD → KORD
1
avg 36m · Chicago Rockford → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B752 BOEING Boeing 757-200
62
B739 BOEING Boeing 737-900
50
B39M BOEING Boeing 737 MAX 9
22
A319 AIRBUS Airbus A319
2
B763 BOEING Boeing 767-300
1
A320 AIRBUS Airbus A320
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
N64844BOEING Boeing 737-900
→
8/10/2026
3h 40m
No alerts
Replay Analysis
N66837BOEING Boeing 737-900
→
8/9/2026
14m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
8/9/2026
1h 39m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
8/8/2026
23m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
8/8/2026
3h 49m
No alerts
Replay Analysis
N34460BOEING Boeing 737-900
→
8/7/2026
3h 43m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
8/7/2026
42m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
8/6/2026
1h 28m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
8/6/2026
32m
No alerts
Replay Analysis
N37434BOEING Boeing 737-900
→
8/6/2026
3h 48m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
8/6/2026
2h 10m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
8/6/2026
10m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
8/5/2026
31m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
8/5/2026
4h 3m
No alerts
Replay Analysis
N17104BOEING Boeing 757-200
→
8/4/2026
1h 43m
No alerts
Replay Analysis
N45440BOEING Boeing 737-900
→
8/4/2026
3h 52m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
8/4/2026
24m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
8/3/2026
2h 11m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
8/3/2026
1h 46m
No alerts
Replay Analysis
N68811BOEING Boeing 737-900
→
8/3/2026
3h 39m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
8/3/2026
29m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
8/2/2026
2h 28m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
8/2/2026
1h 58m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
8/2/2026
3h 58m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
8/2/2026
1h 40m
No alerts
Replay Analysis
N37462BOEING Boeing 737-900
→
8/1/2026
3h 17m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
7/31/2026
1h 38m
No alerts
Replay Analysis
N38446BOEING Boeing 737-900
→
7/31/2026
3h 35m
No alerts
Replay Analysis
N58101BOEING Boeing 757-200
→
7/30/2026
1h 53m
No alerts
Replay Analysis
N37422BOEING Boeing 737-900
→
7/30/2026
3h 37m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window