Flight Status & Tracker

UAL1661

BOEING CO · IAD → EWR · Last tracked Oct 16, 2026

UAL1661 is a flight number operated by BOEING CO between Washington Dulles International Airport (KIAD) and Newark Liberty International Airport (KEWR). SkyMeter last tracked UAL1661 on October 16, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 44m. SkyMeter has observed 40 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
40
last 90 days
⏱
AVG DURATION
3h 44m
tracked time
📅
SERVICE PERIOD
6/1/2025 → 10/16/2026
first → last seen
🗺
ROUTES / TYPES
2 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KIAD → KEWR
10
avg 8h 40m · Washington Dulles → Newark Liberty

Aircraft types

Equipment used on this number

2
B39M BOEING Boeing 737 MAX 9
37
B739 BOEING Boeing 737-900
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 UAL1661

30
N17411BOEING Boeing 737 MAX 9
→
10/16/2026
8h 29m
↘ Diverted
Replay Analysis
N69818BOEING Boeing 737-900
→
10/15/2026
8h 8m
↘ Diverted
Replay Analysis
N17430BOEING Boeing 737 MAX 9
→
10/8/2026
8h 45m
↘ Diverted
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
10/6/2026
8h 46m
↘ Diverted (inferred)
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
10/5/2026
8h 43m
↘ Diverted
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
9/29/2026
8h 38m
↘ Diverted (inferred)
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
9/28/2026
8h 36m
↘ Diverted
Replay Analysis
N17405BOEING Boeing 737 MAX 9
→
9/25/2026
9h 24m
↘ Diverted
Replay Analysis
N17405BOEING Boeing 737 MAX 9
→
9/22/2026
2h 25m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
9/20/2026
2h 23m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
9/18/2026
8h 23m
↘ Diverted (inferred)
Replay Analysis
N17420BOEING Boeing 737 MAX 9
→
9/17/2026
1h 14m
No alerts
Replay Analysis
N37560BOEING Boeing 737 MAX 9
→
9/14/2026
1h 12m
No alerts
Replay Analysis
N37540BOEING Boeing 737 MAX 9
→
9/13/2026
2h 15m
No alerts
Replay Analysis
N77584BOEING Boeing 737 MAX 9
→
9/11/2026
1h 2m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
9/9/2026
55m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
9/8/2026
1h 13m
No alerts
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
9/4/2026
8h 43m
↘ Diverted (inferred)
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
8/31/2026
2h 19m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
8/30/2026
2h 10m
No alerts
Replay Analysis
N37521BOEING Boeing 737 MAX 9
→
8/29/2026
2h 12m
No alerts
Replay Analysis
N17435BOEING Boeing 737 MAX 9
→
8/27/2026
2h 33m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
8/26/2026
1h 18m
No alerts
Replay Analysis
N77585BOEING Boeing 737 MAX 9
→
8/24/2026
2h 31m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
8/23/2026
2h 5m
No alerts
Replay Analysis
N17403BOEING Boeing 737 MAX 9
→
8/22/2026
2h 21m
No alerts
Replay Analysis
N47505BOEING Boeing 737 MAX 9
→
8/21/2026
2h 11m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
8/18/2026
1h 12m
No alerts
Replay Analysis
N77579BOEING Boeing 737 MAX 9
→
8/14/2026
2h 22m
No alerts
Replay Analysis
N37535BOEING Boeing 737 MAX 9
→
8/12/2026
51m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window