UAL1587

UNITED AIRLINES INC · IAD → DEN

UAL1587 is operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 9m. SkyMeter has observed 114 legs of this flight number via ADS-B.

✈
FLIGHTS
114
last 90 days
⏱
AVG DURATION
3h 9m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/5/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.9%
1 flagged

Routes flown

By count · last 90 days

4
KIAD → KDEN
78
avg 3h 37m · Washington Dulles → Denver
KDEN → KIAH
20
avg 2h 18m · Denver → George Bush Intercontinental Houston
KIAD → KFTG
2
avg 3h 26m · Washington Dulles → Colorado Air and Space Port
KJYO → KDEN
1
avg 3h 19m · Leesburg Executive → Denver

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
73
A21N AIRBUS Airbus A321 Neo
51
B39M BOEING Boeing 737 MAX 9
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 UAL1587

30
N37555BOEING Boeing 737 MAX 9
→
9/5/2026
1h 5m
No alerts
Replay Analysis
N14520AIRBUS Airbus A321 Neo
→
9/5/2026
4h 3m
No alerts
Replay Analysis
N14541AIRBUS Airbus A321 Neo
→
9/4/2026
32m
No alerts
Replay Analysis
N68805BOEING Boeing 737-900
→
9/4/2026
3h 41m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
9/4/2026
2h 9m
No alerts
Replay Analysis
N24526AIRBUS Airbus A321 Neo
→
9/2/2026
30m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
9/2/2026
3h 39m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
9/2/2026
1h 32m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
9/1/2026
2h 17m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
9/1/2026
45m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
9/1/2026
3h 41m
No alerts
Replay Analysis
N44522AIRBUS Airbus A321 Neo
→
9/1/2026
2h 9m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
8/31/2026
3h 41m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
8/31/2026
1h 39m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
8/30/2026
2h 13m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
8/30/2026
34m
No alerts
Replay Analysis
N62894BOEING Boeing 737-900
→
8/30/2026
3h 25m
No alerts
Replay Analysis
N14523AIRBUS Airbus A321 Neo
→
8/30/2026
1h 44m
No alerts
Replay Analysis
N14523AIRBUS Airbus A321 Neo
→
8/29/2026
24m
No alerts
Replay Analysis
N14523AIRBUS Airbus A321 Neo
→
8/29/2026
2h 23m
No alerts
Replay Analysis
N14523AIRBUS Airbus A321 Neo
→
8/29/2026
14m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
8/29/2026
3h 26m
No alerts
Replay Analysis
N14529AIRBUS Airbus A321 Neo
→
8/29/2026
1h 54m
No alerts
Replay Analysis
N14529AIRBUS Airbus A321 Neo
→
8/28/2026
15m
No alerts
Replay Analysis
N81449BOEING Boeing 737-900
→
8/28/2026
3h 31m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
8/28/2026
2h 51m
No alerts
Replay Analysis
N27421BOEING Boeing 737-900
→
8/27/2026
3h 45m
No alerts
Replay Analysis
N74532AIRBUS Airbus A321 Neo
→
8/27/2026
1h 35m
No alerts
Replay Analysis
N74532AIRBUS Airbus A321 Neo
→
8/26/2026
34m
No alerts
Replay Analysis
N74532AIRBUS Airbus A321 Neo
→
8/26/2026
2h 55m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window