UAL1900

UNITED AIRLINES INC · SEA → EWR

UAL1900 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 41m. SkyMeter has observed 165 legs of this flight number via ADS-B.

✈
FLIGHTS
165
last 90 days
⏱
AVG DURATION
3h 41m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
12 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KSEA → KEWR
72
avg 5h 2m · Seattle Tacoma → Newark Liberty
KEWR → KMCO
69
avg 2h 31m · Newark Liberty → Orlando
KMCO → KDEN
5
avg 3h 46m · Orlando → Denver
KSEA → KLDJ
2
avg 4h 54m · Seattle Tacoma → Linden
KEWR → KORL
2
avg 2h 55m · Newark Liberty → Orlando Executive
85FD → KMCO
1
avg 12m · AdventHealth Kissimmee Heliport → Orlando
FA96 → KMCO
1
avg 10m · Oviedo Medical Center Heliport → Orlando

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
77
B38M BOEING Boeing 737 MAX 8
69
B39M BOEING Boeing 737 MAX 9
49
A319 AIRBUS Airbus A319
9
B737 BOEING Boeing 737-700
9

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 UAL1900

30
N872UAAIRBUS Airbus A319
→
07/19/2026
5h 20m
No alerts
Replay Analysis
N39728BOEING Boeing 737-700
→
07/18/2026
5h 21m
No alerts
Replay Analysis
N37528BOEING Boeing 737 MAX 9
→
07/17/2026
2h 26m
No alerts
Replay Analysis
N27261BOEING Boeing 737 MAX 8
→
07/17/2026
5h 1m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
07/16/2026
2h 47m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
07/16/2026
4h 43m
No alerts
Replay Analysis
N77558BOEING Boeing 737 MAX 9
→
07/15/2026
2h 28m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
07/15/2026
4h 44m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
07/14/2026
2h 26m
No alerts
Replay Analysis
N61898BOEING Boeing 737-900
→
07/14/2026
5h 7m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
07/14/2026
1h 20m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
07/13/2026
1h 14m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
07/13/2026
2h 34m
No alerts
Replay Analysis
N47369BOEING Boeing 737 MAX 8
→
07/13/2026
5h 2m
No alerts
Replay Analysis
N66897BOEING Boeing 737-900
→
07/12/2026
2h 39m
No alerts
Replay Analysis
N804UAAIRBUS Airbus A319
→
07/12/2026
5h 0m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
07/11/2026
2h 26m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
07/11/2026
5h 41m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/11/2026
16m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/10/2026
3h 6m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/10/2026
3h 23m
No alerts
Replay Analysis
N37353BOEING Boeing 737 MAX 8
→
07/10/2026
4h 54m
No alerts
Replay Analysis
N37577BOEING Boeing 737 MAX 9
→
07/10/2026
44m
No alerts
Replay Analysis
N37577BOEING Boeing 737 MAX 9
→
07/09/2026
2h 2m
No alerts
Replay Analysis
N37577BOEING Boeing 737 MAX 9
→
07/09/2026
2h 49m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
07/09/2026
4h 50m
No alerts
Replay Analysis
N77573BOEING Boeing 737 MAX 9
→
07/08/2026
2h 12m
No alerts
Replay Analysis
N57286BOEING Boeing 737 MAX 8
→
07/08/2026
5h 3m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
07/07/2026
2h 44m
No alerts
Replay Analysis
N27253BOEING Boeing 737 MAX 8
→
07/07/2026
5h 29m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window