UAL1939

UNITED AIRLINES INC · ORD → EWR

UAL1939 is operated by UNITED AIRLINES INC 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 3h 2m. SkyMeter has observed 67 legs of this flight number via ADS-B.

✈
FLIGHTS
67
last 90 days
⏱
AVG DURATION
3h 2m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
14 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KORD → KEWR
24
avg 1h 45m · Chicago O'Hare → Newark Liberty
KSFO → KCMH
15
avg 4h 27m · San Francisco → John Glenn Columbus
KHAF → KCMH
5
avg 4h 23m · Half Moon Bay → John Glenn Columbus
KLAX → KEWR
4
avg 5h 12m · Los Angeles → Newark Liberty
US-0188 → KCMH
3
avg 4h 30m · Coast Guard Air Station San Francisco → John Glenn Columbus
KPDX → KSFO
3
avg 1h 41m · Portland → San Francisco
KOAK → KCMH
2
avg 4h 22m · Metropolitan Oakland → John Glenn Columbus
KORD → KLDJ
1
avg 1h 54m · Chicago O'Hare → Linden
NJ16 → KEWR
1
avg 21m · Sliker Strip → Newark Liberty
US-1410 → KORD
1
avg 5h 46m · Sheraton Gateway Los Angeles Hotel Helipad → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B38M BOEING Boeing 737 MAX 8
28
B39M BOEING Boeing 737 MAX 9
17
B752 BOEING Boeing 757-200
16
B739 BOEING Boeing 737-900
8
A21N AIRBUS Airbus A321 Neo
5
A319 AIRBUS Airbus A319
2
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
N37545BOEING Boeing 737 MAX 9
→
8/13/2026
4h 38m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
8/13/2026
1h 49m
No alerts
Replay Analysis
N825UAAIRBUS Airbus A319
→
8/12/2026
1h 39m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
8/11/2026
1h 35m
No alerts
Replay Analysis
N27261BOEING Boeing 737 MAX 8
→
8/11/2026
4h 19m
No alerts
Replay Analysis
N17312BOEING Boeing 737 MAX 8
→
8/10/2026
4h 43m
No alerts
Replay Analysis
N17337BOEING Boeing 737 MAX 8
→
8/8/2026
4h 21m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
8/4/2026
4h 35m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
8/3/2026
4h 31m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
8/1/2026
4h 36m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
7/31/2026
4h 24m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
7/28/2026
33m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
7/28/2026
4h 32m
No alerts
Replay Analysis
N47370BOEING Boeing 737 MAX 8
→
7/27/2026
4h 23m
No alerts
Replay Analysis
N17432BOEING Boeing 737 MAX 9
→
7/25/2026
4h 22m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
7/24/2026
4h 19m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
7/21/2026
4h 34m
No alerts
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
7/20/2026
4h 30m
No alerts
Replay Analysis
N27292BOEING Boeing 737 MAX 8
→
7/18/2026
4h 28m
No alerts
Replay Analysis
N27260BOEING Boeing 737 MAX 8
→
7/17/2026
4h 35m
No alerts
Replay Analysis
N37348BOEING Boeing 737 MAX 8
→
7/14/2026
4h 40m
No alerts
Replay Analysis
N47360BOEING Boeing 737 MAX 8
→
7/13/2026
4h 52m
No alerts
Replay Analysis
N17272BOEING Boeing 737 MAX 8
→
7/11/2026
4h 23m
No alerts
Replay Analysis
N17339BOEING Boeing 737 MAX 8
→
7/10/2026
4h 14m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
7/7/2026
4h 31m
No alerts
Replay Analysis
N47275BOEING Boeing 737 MAX 8
→
7/6/2026
4h 26m
No alerts
Replay Analysis
N17331BOEING Boeing 737 MAX 8
→
7/3/2026
4h 16m
No alerts
Replay Analysis
N17296BOEING Boeing 737 MAX 8
→
6/30/2026
4h 15m
No alerts
Replay Analysis
N27270BOEING Boeing 737 MAX 8
→
6/29/2026
4h 0m
No alerts
Replay Analysis
N17289BOEING Boeing 737 MAX 8
→
6/28/2026
4h 22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window