UAL3021

UNITED AIRLINES INC · BCN → ORD

UAL3021 is operated by UNITED AIRLINES INC between Barcelona International Airport (LEBL) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 757-300. Typical block time is 3h 26m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
3h 26m
tracked time
📅
SERVICE PERIOD
06/14/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
6 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
LEBL → KORD
1
avg 9h 25m · Barcelona → Chicago O'Hare
KRDU → KIAD
1
avg 49m · Raleigh Durham → Washington Dulles
KORD → KEWR
1
avg 1h 33m · Chicago O'Hare → Newark Liberty
PHNL → KLAX
1
avg 5h 20m · Daniel K Inouye → Los Angeles
KORD → KSAT
1
avg 2h 49m · Chicago O'Hare → San Antonio

Aircraft types

Equipment used on this number

6
B753 BOEING Boeing 757-300
3
B789 BOEING Boeing 787-9 Dreamliner
3
B77W BOEING Boeing 777-300ER
1
B752 BOEING Boeing 757-200
1
B38M BOEING Boeing 737 MAX 8
1
B739 BOEING Boeing 737-900
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 UAL3021

30
N29129BOEING Boeing 757-200
→
07/19/2026
48m
No alerts
Replay Analysis
N78866BOEING Boeing 757-300
→
07/09/2026
42m
No alerts
Replay Analysis
N78866BOEING Boeing 757-300
→
07/08/2026
4h 36m
No alerts
Replay Analysis
N78866BOEING Boeing 757-300
→
07/08/2026
5h 19m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
06/28/2026
27m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
06/27/2026
8h 56m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
06/27/2026
9h 25m
No alerts
Replay Analysis
N75426BOEING Boeing 737-900
→
06/14/2026
2h 48m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
05/21/2026
1h 32m
No alerts
Replay Analysis
N37354BOEING Boeing 737 MAX 8
→
05/09/2026
39m
No alerts
Replay Analysis
N67845BOEING Boeing 737-900
→
04/20/2026
5h 13m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
04/01/2026
2h 19m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
04/01/2026
12h 22m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
04/01/2026
7h 0m
No alerts
Replay Analysis
N660UABOEING Boeing 767-300
→
03/24/2026
4h 5m
No alerts
Replay Analysis
N660UABOEING Boeing 767-300
→
03/23/2026
5h 59m
No alerts
Replay Analysis
N660UABOEING Boeing 767-300
→
03/23/2026
1h 54m
No alerts
Replay Analysis
N12114BOEING Boeing 757-200
→
03/13/2026
1h 23m
No alerts
Replay Analysis
N12114BOEING Boeing 757-200
→
03/12/2026
1h 53m
No alerts
Replay Analysis
N12114BOEING Boeing 757-200
→
03/12/2026
3h 17m
No alerts
Replay Analysis
N434UAAIRBUS Airbus A320
→
02/24/2026
4h 56m
No alerts
Replay Analysis
N39728BOEING Boeing 737-700
→
02/23/2026
1h 2m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
01/15/2026
1h 55m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
01/12/2026
1h 55m
No alerts
Replay Analysis
N33264BOEING Boeing 737-800
→
01/04/2026
34m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
12/02/2025
1h 1m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
12/01/2025
5m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
12/01/2025
3h 46m
No alerts
Replay Analysis
N661UABOEING Boeing 767-300
→
11/22/2025
7h 22m
No alerts
Replay Analysis
N29961BOEING Boeing 787-9 Dreamliner
→
11/15/2025
1h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window