UAL1866

UNITED AIRLINES INC · GSP → DEN

UAL1866 is operated by UNITED AIRLINES INC between Greenville Spartanburg International Airport (KGSP) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 1h 53m. SkyMeter has observed 103 legs of this flight number via ADS-B.

✈
FLIGHTS
103
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
24 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.0%
1 flagged

Routes flown

By count · last 90 days

10
KGSP → KDEN
36
avg 3h 3m · Greenville Spartanburg → Denver
KGRR → KORD
21
avg 40m · Gerald R. Ford → Chicago O'Hare
KORD → KEWR
9
avg 1h 48m · Chicago O'Hare → Newark Liberty
KMCO → KEWR
3
avg 2h 20m · Orlando → Newark Liberty
KMYR → KORD
2
avg 2h 0m · Myrtle Beach → Chicago O'Hare
KGSP → KCOS
1
avg 3h 25m · Greenville Spartanburg → City of Colorado Springs
03CO → KDEN
1
avg 14m · Kugel-Strong → Denver
KMCI → KDEN
1
avg 1h 27m · Kansas City → Denver
20SC → KDEN
1
avg 2h 45m · O Neal Field → Denver
KGSP → KICT
1
avg 3h 42m · Greenville Spartanburg → Wichita Eisenhower National

Aircraft types

Equipment used on this number

6
A320 AIRBUS Airbus A320
77
A21N AIRBUS Airbus A321 Neo
21
B737 BOEING Boeing 737-700
12
B739 BOEING Boeing 737-900
8
A319 AIRBUS Airbus A319
7
B738 BOEING Boeing 737-800
3

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL1866

30
N13716BOEING Boeing 737-700
→
8/13/2026
1h 46m
No alerts
Replay Analysis
N24736BOEING Boeing 737-700
→
8/11/2026
1h 41m
No alerts
Replay Analysis
N445UAAIRBUS Airbus A320
→
8/10/2026
3h 6m
No alerts
Replay Analysis
N466UAAIRBUS Airbus A320
→
8/9/2026
3h 5m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
8/9/2026
47m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
8/9/2026
14m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
8/8/2026
3h 10m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
8/8/2026
3h 25m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
8/7/2026
3h 11m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
8/6/2026
3h 1m
No alerts
Replay Analysis
N466UAAIRBUS Airbus A320
→
8/5/2026
2h 56m
No alerts
Replay Analysis
N472UAAIRBUS Airbus A320
→
8/4/2026
3h 3m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
8/3/2026
3h 5m
No alerts
Replay Analysis
N462UAAIRBUS Airbus A320
→
8/2/2026
2h 55m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
8/1/2026
21m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
7/31/2026
31m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
7/31/2026
2h 50m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
7/31/2026
2h 4m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
7/30/2026
2h 52m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
7/30/2026
47m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
7/30/2026
1h 26m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
7/29/2026
2h 35m
↘ Diverted (inferred)
Replay Analysis
N447UAAIRBUS Airbus A320
→
7/29/2026
2h 10m
No alerts
Replay Analysis
N447UAAIRBUS Airbus A320
→
7/28/2026
1h 16m
No alerts
Replay Analysis
N447UAAIRBUS Airbus A320
→
7/28/2026
3h 26m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
7/27/2026
2h 55m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
7/26/2026
2h 50m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
7/25/2026
2h 55m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
7/24/2026
3h 13m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
7/24/2026
35m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window