UAL2173

UNITED AIRLINES INC · BOI → DEN

UAL2173 is operated by UNITED AIRLINES INC between Boise Air Terminal/Gowen Field (KBOI) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 1h 16m. SkyMeter has observed 164 legs of this flight number via ADS-B.

✈
FLIGHTS
164
last 90 days
⏱
AVG DURATION
1h 16m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KBOI → KDEN
83
avg 1h 40m · Boise Air Terminal/Gowen Field → Denver
KDEN → KHDN
29
avg 40m · Denver → Yampa Valley
KDEN → KSBS
7
avg 40m · Denver → Steamboat Springs Bob Adams Field
KBOI → KRAP
1
avg 2h 18m · Boise Air Terminal/Gowen Field → Rapid City
KRAP → KDEN
1
avg 1h 38m · Rapid City → Denver
KDEN → KSDF
1
avg 15h 32m · Denver → Louisville Muhammad Ali

Aircraft types

Equipment used on this number

5
A319 AIRBUS Airbus A319
62
B739 BOEING Boeing 737-900
57
B738 BOEING Boeing 737-800
28
B39M BOEING Boeing 737 MAX 9
23
A320 AIRBUS Airbus A320
12

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 UAL2173

30
N431UAAIRBUS Airbus A320
→
08/21/2026
53m
No alerts
Replay Analysis
N75436BOEING Boeing 737-900
→
08/20/2026
1h 44m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
08/19/2026
1h 41m
No alerts
Replay Analysis
N829UAAIRBUS Airbus A319
→
08/19/2026
1h 4m
No alerts
Replay Analysis
N68891BOEING Boeing 737-900
→
08/18/2026
1h 39m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
08/18/2026
44m
No alerts
Replay Analysis
N37456BOEING Boeing 737-900
→
08/17/2026
1h 49m
No alerts
Replay Analysis
N807UAAIRBUS Airbus A319
→
08/17/2026
37m
No alerts
Replay Analysis
N68891BOEING Boeing 737-900
→
08/16/2026
1h 42m
No alerts
Replay Analysis
N834UAAIRBUS Airbus A319
→
08/16/2026
36m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
08/16/2026
1h 15m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
08/15/2026
45m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
08/15/2026
2h 3m
No alerts
Replay Analysis
N45440BOEING Boeing 737-900
→
08/15/2026
1h 38m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
08/14/2026
1h 41m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
08/12/2026
33m
No alerts
Replay Analysis
N75425BOEING Boeing 737-900
→
08/11/2026
1h 45m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
08/11/2026
36m
No alerts
Replay Analysis
N69839BOEING Boeing 737-900
→
08/10/2026
2h 17m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
08/10/2026
32m
No alerts
Replay Analysis
N68836BOEING Boeing 737-900
→
08/09/2026
1h 41m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
08/09/2026
15h 31m
↘ Diverted (inferred)
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
08/09/2026
55m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
08/08/2026
52m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
08/08/2026
1h 47m
No alerts
Replay Analysis
N882UAAIRBUS Airbus A319
→
08/08/2026
48m
No alerts
Replay Analysis
N38473BOEING Boeing 737-900
→
08/07/2026
1h 44m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
08/07/2026
38m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
08/06/2026
1h 34m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
08/06/2026
48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window