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 737-800. Typical block time is 1h 22m. SkyMeter has observed 182 legs of this flight number via ADS-B.

✈
FLIGHTS
182
last 90 days
⏱
AVG DURATION
1h 22m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
9 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KORD → KDFW
82
avg 2h 8m · Chicago O'Hare → Dallas Fort Worth
KDFW → KIAH
66
avg 47m · Dallas Fort Worth → George Bush Intercontinental Houston
KORD → KADS
2
avg 1h 53m · Chicago O'Hare → Addison
KAUS → KDFW
1
avg 1h 7m · Austin Bergstrom → Dallas Fort Worth
KORD → KAUS
1
avg 3h 20m · Chicago O'Hare → Austin Bergstrom
KDFW → KAUS
1
avg 1h 48m · Dallas Fort Worth → Austin Bergstrom
KAUS → KIAH
1
avg 1h 15m · Austin Bergstrom → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

7
B738 BOEING Boeing 737-800
128
B38M BOEING Boeing 737 MAX 8
18
B739 BOEING Boeing 737-900
13
B39M BOEING Boeing 737 MAX 9
13
B737 BOEING Boeing 737-700
4
A320 AIRBUS Airbus A320
3
A319 AIRBUS Airbus A319
3

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
N13718BOEING Boeing 737-700
→
08/20/2026
41m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
08/20/2026
1h 52m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
08/20/2026
7m
No alerts
Replay Analysis
N37513BOEING Boeing 737 MAX 9
→
08/19/2026
2h 7m
No alerts
Replay Analysis
N29717BOEING Boeing 737-700
→
08/18/2026
47m
No alerts
Replay Analysis
N77598BOEING Boeing 737 MAX 9
→
08/18/2026
2h 2m
No alerts
Replay Analysis
N12754BOEING Boeing 737-700
→
08/17/2026
47m
No alerts
Replay Analysis
N47457BOEING Boeing 737 MAX 9
→
08/17/2026
1h 53m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
08/16/2026
42m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
08/16/2026
1h 55m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
08/16/2026
26m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
08/15/2026
2h 4m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
08/15/2026
21m
No alerts
Replay Analysis
N37308BOEING Boeing 737 MAX 8
→
08/14/2026
53m
No alerts
Replay Analysis
N37445BOEING Boeing 737 MAX 9
→
08/14/2026
2h 35m
No alerts
Replay Analysis
N24706BOEING Boeing 737-700
→
08/13/2026
38m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
08/13/2026
2h 28m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
08/11/2026
39m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
08/11/2026
2h 1m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
08/10/2026
43m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
08/10/2026
2h 7m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
08/08/2026
1h 47m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
08/07/2026
44m
No alerts
Replay Analysis
N18220BOEING Boeing 737-800
→
08/07/2026
2h 9m
No alerts
Replay Analysis
N17289BOEING Boeing 737 MAX 8
→
08/06/2026
39m
No alerts
Replay Analysis
N17289BOEING Boeing 737 MAX 8
→
08/06/2026
6m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
08/06/2026
2h 20m
No alerts
Replay Analysis
N17459BOEING Boeing 737 MAX 9
→
08/05/2026
52m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/05/2026
2h 7m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
08/04/2026
49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window