UAL1939 is operated by WILMINGTON TRUST CO TRUSTEE between Chicago O'Hare International Airport (KORD) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 55m. SkyMeter has observed 69 legs of this flight number via ADS-B.

✈
FLIGHTS
69
last 90 days
⏱
AVG DURATION
2h 55m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
13 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KORD → KEWR
23
avg 1h 45m · Chicago O'Hare → Newark Liberty
KSFO → KCMH
15
avg 4h 27m · San Francisco → John Glenn Columbus
KPDX → KSFO
8
avg 1h 45m · Portland → San Francisco
KHAF → KCMH
5
avg 4h 23m · Half Moon Bay → John Glenn Columbus
US-0188 → KCMH
3
avg 4h 30m · Coast Guard Air Station San Francisco → John Glenn Columbus
KSFO → KMCO
2
avg 5h 19m · San Francisco → Orlando
KOAK → KCMH
2
avg 4h 22m · Metropolitan Oakland → John Glenn Columbus
KHAF → KMCO
2
avg 5h 39m · Half Moon Bay → Orlando
KORD → KLDJ
1
avg 1h 54m · Chicago O'Hare → Linden
KIND → KCMH
1
avg 33m · Indianapolis → John Glenn Columbus

Aircraft types

Equipment used on this number

6
B38M BOEING Boeing 737 MAX 8
30
B39M BOEING Boeing 737 MAX 9
29
B739 BOEING Boeing 737-900
8
A21N AIRBUS Airbus A321 Neo
5
A319 AIRBUS Airbus A319
3
B738 BOEING Boeing 737-800
1

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 UAL1939

30
N27263BOEING Boeing 737 MAX 8
→
08/18/2026
2h 6m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
08/18/2026
45m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
08/17/2026
4h 29m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
08/17/2026
5h 15m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
08/17/2026
1h 40m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
08/17/2026
52m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
08/16/2026
4h 11m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
08/16/2026
5h 4m
No alerts
Replay Analysis
N830UAAIRBUS Airbus A319
→
08/16/2026
1h 49m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
08/15/2026
1h 41m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
08/15/2026
1h 4m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
08/14/2026
5h 34m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
08/14/2026
4h 28m
No alerts
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
08/14/2026
1h 44m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
08/14/2026
1h 25m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
08/13/2026
6h 4m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
08/13/2026
4h 38m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
08/13/2026
1h 49m
No alerts
Replay Analysis
N825UAAIRBUS Airbus A319
→
08/12/2026
1h 39m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
08/11/2026
1h 35m
No alerts
Replay Analysis
N27261BOEING Boeing 737 MAX 8
→
08/11/2026
4h 19m
No alerts
Replay Analysis
N17312BOEING Boeing 737 MAX 8
→
08/10/2026
4h 43m
No alerts
Replay Analysis
N17337BOEING Boeing 737 MAX 8
→
08/08/2026
4h 21m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
08/04/2026
4h 35m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
08/03/2026
4h 31m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
08/01/2026
4h 36m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
07/31/2026
4h 24m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
07/28/2026
33m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
07/28/2026
4h 32m
No alerts
Replay Analysis
N47370BOEING Boeing 737 MAX 8
→
07/27/2026
4h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window