UAL550 is operated by UNITED AIRLINES INC between Calgary International Airport (CYYC) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 12m. SkyMeter has observed 47 legs of this flight number via ADS-B.

✈
FLIGHTS
47
last 90 days
⏱
AVG DURATION
2h 12m
tracked time
📅
SERVICE PERIOD
04/05/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 4
city pairs · airframes
⚠
INCIDENT RATE
8.5%
4 flagged

Routes flown

By count · last 90 days

1
CYYC → KDEN
42
avg 2h 25m · Calgary → Denver

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
26
B739 BOEING Boeing 737-900
17
B38M BOEING Boeing 737 MAX 8
3
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
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 UAL550

30
N76505BOEING Boeing 737-800
→
06/03/2026
2h 15m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
06/02/2026
2h 26m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
06/01/2026
2h 21m
No alerts
Replay Analysis
N77538BOEING Boeing 737-800
→
05/31/2026
2h 30m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
05/29/2026
2h 23m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
05/28/2026
2h 19m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
05/27/2026
2h 29m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
05/26/2026
24m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
05/26/2026
2h 26m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
05/25/2026
2h 13m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
05/24/2026
2h 14m
No alerts
Replay Analysis
N27213BOEING Boeing 737-800
→
05/23/2026
2h 12m
No alerts
Replay Analysis
N68836BOEING Boeing 737-900
→
05/21/2026
2h 16m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
05/20/2026
2h 24m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
05/18/2026
2h 31m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
05/17/2026
2h 36m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
05/15/2026
2h 21m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
05/14/2026
2h 33m
No alerts
Replay Analysis
N26232BOEING Boeing 737-800
→
05/13/2026
2h 18m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
05/11/2026
2h 21m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
05/10/2026
23m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
05/10/2026
2h 9m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
05/04/2026
56m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
05/04/2026
6m
No alerts
Replay Analysis
N37253BOEING Boeing 737-800
→
05/03/2026
2h 21m
No alerts
Replay Analysis
N14237BOEING Boeing 737-800
→
05/02/2026
2h 22m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
05/01/2026
2h 20m
No alerts
Replay Analysis
N39463BOEING Boeing 737-900
→
04/30/2026
2h 23m
No alerts
Replay Analysis
N66825BOEING Boeing 737-900
→
04/28/2026
2h 39m
△ Unstable
Replay Analysis
N39461BOEING Boeing 737-900
→
04/27/2026
2h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window