Flight Status & Tracker

UAL1939

UNITED AIRLINES INC · PDX → SFO · Last tracked Oct 10, 2026

UAL1939 is a flight number operated by UNITED AIRLINES INC between Portland International Airport (KPDX) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL1939 on October 10, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 13m. SkyMeter has observed 88 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
88
last 90 days
⏱
AVG DURATION
3h 13m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
9 / 7
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

7
KPDX → KSFO
41
avg 1h 46m · Portland → San Francisco
KSFO → KMCO
18
avg 5h 27m · San Francisco → Orlando
KSFO → KCMH
11
avg 4h 32m · San Francisco → John Glenn Columbus
KHAF → KCMH
3
avg 4h 25m · Half Moon Bay → John Glenn Columbus
KHAF → KMCO
3
avg 5h 35m · Half Moon Bay → Orlando
US-0188 → KCMH
2
avg 4h 33m · Coast Guard Air Station San Francisco → John Glenn Columbus
KIND → KCMH
1
avg 33m · Indianapolis → John Glenn Columbus

Aircraft types

Equipment used on this number

7
B39M BOEING Boeing 737 MAX 9
66
B38M BOEING Boeing 737 MAX 8
25
A319 AIRBUS Airbus A319
20
B739 BOEING Boeing 737-900
10
A320 AIRBUS Airbus A320
5
B753 BOEING Boeing 757-300
3
B738 BOEING Boeing 737-800
1

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 UAL1939

30
N831UAAIRBUS Airbus A319
→
10/10/2026
1h 24m
No alerts
Replay Analysis
N475UAAIRBUS Airbus A320
→
10/9/2026
2h 18m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
10/9/2026
55m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
10/8/2026
5h 26m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
10/8/2026
4h 30m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
10/8/2026
1h 52m
No alerts
Replay Analysis
N489UAAIRBUS Airbus A320
→
10/7/2026
1h 48m
No alerts
Replay Analysis
N823UAAIRBUS Airbus A319
→
10/6/2026
1h 40m
No alerts
Replay Analysis
N37547BOEING Boeing 737 MAX 9
→
10/6/2026
46m
No alerts
Replay Analysis
N37547BOEING Boeing 737 MAX 9
→
10/5/2026
4h 29m
No alerts
Replay Analysis
N37547BOEING Boeing 737 MAX 9
→
10/5/2026
5h 15m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
10/5/2026
1h 33m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
10/5/2026
33m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
10/4/2026
4h 29m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
10/4/2026
5h 4m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
10/4/2026
1h 44m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
10/3/2026
1h 34m
No alerts
Replay Analysis
N848UAAIRBUS Airbus A319
→
10/2/2026
1h 44m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
10/1/2026
1h 32m
No alerts
Replay Analysis
N66841BOEING Boeing 737-900
→
10/1/2026
59m
No alerts
Replay Analysis
N66841BOEING Boeing 737-900
→
9/30/2026
4h 32m
No alerts
Replay Analysis
N66841BOEING Boeing 737-900
→
9/30/2026
5h 31m
No alerts
Replay Analysis
N483UAAIRBUS Airbus A320
→
9/30/2026
1h 40m
No alerts
Replay Analysis
N889UAAIRBUS Airbus A319
→
9/29/2026
1h 48m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
9/28/2026
2h 0m
No alerts
Replay Analysis
N27519BOEING Boeing 737 MAX 9
→
9/28/2026
25m
No alerts
Replay Analysis
N17593BOEING Boeing 737 MAX 9
→
9/25/2026
2h 51m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
9/25/2026
2h 14m
No alerts
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
9/25/2026
1h 27m
No alerts
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
9/24/2026
4h 20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window