UAL539 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Dallas Fort Worth International Airport (KDFW). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 33m. SkyMeter has observed 58 legs of this flight number via ADS-B.

✈
FLIGHTS
58
last 90 days
⏱
AVG DURATION
1h 33m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KORD → KDFW
25
avg 2h 14m · Chicago O'Hare → Dallas Fort Worth
KDFW → KIAH
22
avg 45m · Dallas Fort Worth → George Bush Intercontinental Houston
KIAH → KLAS
3
avg 2h 54m · George Bush Intercontinental Houston → McCarran

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
23
B738 BOEING Boeing 737-800
17
B38M BOEING Boeing 737 MAX 8
12
A319 AIRBUS Airbus A319
10
A320 AIRBUS Airbus A320
2

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 UAL539

30
N76502BOEING Boeing 737-800
→
06/03/2026
47m
No alerts
Replay Analysis
N17361BOEING Boeing 737 MAX 8
→
06/03/2026
2h 8m
No alerts
Replay Analysis
N37351BOEING Boeing 737 MAX 8
→
06/02/2026
41m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
06/02/2026
2h 18m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
06/01/2026
42m
No alerts
Replay Analysis
N24224BOEING Boeing 737-800
→
06/01/2026
2h 30m
No alerts
Replay Analysis
N35407BOEING Boeing 737-900
→
05/31/2026
40m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
05/31/2026
1h 50m
No alerts
Replay Analysis
N77535BOEING Boeing 737-800
→
05/29/2026
9m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
05/29/2026
2h 14m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
05/28/2026
45m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
05/28/2026
2h 18m
No alerts
Replay Analysis
N24211BOEING Boeing 737-800
→
05/27/2026
9m
No alerts
Replay Analysis
N24211BOEING Boeing 737-800
→
05/27/2026
2h 17m
No alerts
Replay Analysis
N17362BOEING Boeing 737 MAX 8
→
05/26/2026
50m
No alerts
Replay Analysis
N77536BOEING Boeing 737-800
→
05/26/2026
2h 22m
No alerts
Replay Analysis
N476UAAIRBUS Airbus A320
→
05/25/2026
43m
No alerts
Replay Analysis
N36247BOEING Boeing 737-800
→
05/25/2026
2h 7m
No alerts
Replay Analysis
N14231BOEING Boeing 737-800
→
05/24/2026
2h 4m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
05/23/2026
2h 38m
No alerts
Replay Analysis
N878UAAIRBUS Airbus A319
→
05/21/2026
52m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
05/21/2026
2h 8m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
05/21/2026
5m
No alerts
Replay Analysis
N37368BOEING Boeing 737 MAX 8
→
05/20/2026
2h 41m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
05/18/2026
40m
No alerts
Replay Analysis
N17310BOEING Boeing 737 MAX 8
→
05/18/2026
2h 11m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
05/17/2026
56m
No alerts
Replay Analysis
N47330BOEING Boeing 737 MAX 8
→
05/17/2026
2h 9m
No alerts
Replay Analysis
N37422BOEING Boeing 737-900
→
05/15/2026
41m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
05/15/2026
2h 31m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window