UAL1821

UNITED AIRLINES INC · ORD → LGA

UAL1821 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and La Guardia Airport (KLGA). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 55m. SkyMeter has observed 40 legs of this flight number via ADS-B.

✈
FLIGHTS
40
last 90 days
⏱
AVG DURATION
1h 55m
tracked time
📅
SERVICE PERIOD
04/12/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
20.0%
8 flagged

Routes flown

By count · last 90 days

3
KORD → KLGA
20
avg 1h 54m · Chicago O'Hare → La Guardia
KIAH → KRDU
15
avg 2h 14m · George Bush Intercontinental Houston → Raleigh Durham
KORD → KALB
1
avg 2h 6m · Chicago O'Hare → Albany

Aircraft types

Equipment used on this number

5
B738 BOEING Boeing 737-800
22
A319 AIRBUS Airbus A319
10
A320 AIRBUS Airbus A320
5
A21N AIRBUS Airbus A321 Neo
2
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
8
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 UAL1821

30
N14228BOEING Boeing 737-800
→
06/03/2026
2h 26m
No alerts
Replay Analysis
N37298BOEING Boeing 737-800
→
06/02/2026
2h 11m
△ Unstable
Replay Analysis
N76523BOEING Boeing 737-800
→
06/01/2026
1h 56m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
05/31/2026
2h 15m
△ Unstable
Replay Analysis
N17244BOEING Boeing 737-800
→
05/29/2026
1h 52m
No alerts
Replay Analysis
N76517BOEING Boeing 737-800
→
05/28/2026
1h 35m
△ Unstable
Replay Analysis
N14230BOEING Boeing 737-800
→
05/26/2026
1h 55m
No alerts
Replay Analysis
N24224BOEING Boeing 737-800
→
05/25/2026
2h 1m
No alerts
Replay Analysis
N35271BOEING Boeing 737-800
→
05/24/2026
2h 3m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
05/21/2026
1h 48m
△ Unstable
Replay Analysis
N78285BOEING Boeing 737-800
→
05/20/2026
2h 6m
No alerts
Replay Analysis
N18243BOEING Boeing 737-800
→
05/17/2026
2h 4m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
05/15/2026
1h 43m
△ Unstable
Replay Analysis
N77525BOEING Boeing 737-800
→
05/14/2026
1h 57m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
05/13/2026
2h 11m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
05/11/2026
1h 35m
△ Unstable
Replay Analysis
N26226BOEING Boeing 737-800
→
05/11/2026
12m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
05/10/2026
1h 40m
No alerts
Replay Analysis
N26210BOEING Boeing 737-800
→
05/08/2026
1h 52m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
05/07/2026
29m
No alerts
Replay Analysis
N14548AIRBUS Airbus A321 Neo
→
05/04/2026
1h 29m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
05/03/2026
1h 37m
△ Unstable
Replay Analysis
N62894BOEING Boeing 737-900
→
05/02/2026
1h 36m
△ Unstable
Replay Analysis
N73251BOEING Boeing 737-800
→
05/01/2026
1h 38m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
04/28/2026
2h 15m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
04/27/2026
2h 19m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
04/26/2026
2h 12m
No alerts
Replay Analysis
N801UAAIRBUS Airbus A319
→
04/25/2026
2h 11m
No alerts
Replay Analysis
N803UAAIRBUS Airbus A319
→
04/24/2026
2h 16m
No alerts
Replay Analysis
N803UAAIRBUS Airbus A319
→
04/23/2026
2h 22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window