Flight Status & Tracker

ASH3999

UNITED AIRLINES INC · IAD → LGA · Last tracked Oct 23, 2026

ASH3999 is a flight number operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and La Guardia Airport (KLGA). SkyMeter last tracked ASH3999 on October 23, 2026. The flight is most often flown by a EMBRAER Embraer 175 long wing. Typical block time is 1h 18m. SkyMeter has observed 77 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
77
last 90 days
⏱
AVG DURATION
1h 18m
tracked time
📅
SERVICE PERIOD
9/25/2025 → 10/23/2026
first → last seen
🗺
ROUTES / TYPES
8 / 1
city pairs · airframes
⚠
INCIDENT RATE
3.9%
3 flagged

Routes flown

By count · last 90 days

6
KIAD → KLGA
23
avg 1h 8m · Washington Dulles → La Guardia
KATL → KIAH
18
avg 1h 57m · Hartsfield Jackson Atlanta → George Bush Intercontinental Houston
KBDL → KIAD
17
avg 1h 9m · Bradley → Washington Dulles
CT35 → KIAD
9
avg 1h 3m · Hamilton Standard Heliport → Washington Dulles
KCLE → KIAD
4
avg 1h 13m · Cleveland Hopkins → Washington Dulles
KCHS → KIAD
1
avg 1h 13m · Charleston Air Force Base-International → Washington Dulles

Aircraft types

Equipment used on this number

1
E75L EMBRAER Embraer 175 long wing
89

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 ASH3999

30
N88331EMBRAER Embraer 175 long wing
→
10/23/2026
1h 45m
No alerts
Replay Analysis
N80343EMBRAER Embraer 175 long wing
→
10/22/2026
1h 55m
No alerts
Replay Analysis
N86316EMBRAER Embraer 175 long wing
→
10/18/2026
1h 53m
No alerts
Replay Analysis
N89342EMBRAER Embraer 175 long wing
→
10/17/2026
1h 57m
No alerts
Replay Analysis
N87302EMBRAER Embraer 175 long wing
→
10/16/2026
1h 48m
No alerts
Replay Analysis
N87302EMBRAER Embraer 175 long wing
→
10/16/2026
9m
No alerts
Replay Analysis
N89304EMBRAER Embraer 175 long wing
→
10/15/2026
2h 10m
No alerts
Replay Analysis
N89304EMBRAER Embraer 175 long wing
→
10/12/2026
2h 12m
No alerts
Replay Analysis
N80343EMBRAER Embraer 175 long wing
→
10/10/2026
2h 2m
No alerts
Replay Analysis
N87319EMBRAER Embraer 175 long wing
→
10/9/2026
1h 57m
No alerts
Replay Analysis
N88330EMBRAER Embraer 175 long wing
→
10/8/2026
2h 4m
No alerts
Replay Analysis
N88330EMBRAER Embraer 175 long wing
→
10/8/2026
9m
No alerts
Replay Analysis
N86322EMBRAER Embraer 175 long wing
→
10/7/2026
1h 10m
No alerts
Replay Analysis
N93305EMBRAER Embraer 175 long wing
→
10/6/2026
1h 13m
No alerts
Replay Analysis
N89342EMBRAER Embraer 175 long wing
→
10/5/2026
1h 58m
No alerts
Replay Analysis
N89317EMBRAER Embraer 175 long wing
→
10/4/2026
2h 2m
No alerts
Replay Analysis
N85351EMBRAER Embraer 175 long wing
→
10/3/2026
2h 13m
No alerts
Replay Analysis
N87337EMBRAER Embraer 175 long wing
→
10/2/2026
1h 52m
No alerts
Replay Analysis
N89317EMBRAER Embraer 175 long wing
→
10/1/2026
1h 46m
No alerts
Replay Analysis
N85323EMBRAER Embraer 175 long wing
→
9/30/2026
1h 7m
No alerts
Replay Analysis
N89342EMBRAER Embraer 175 long wing
→
9/29/2026
1h 21m
No alerts
Replay Analysis
N86322EMBRAER Embraer 175 long wing
→
9/28/2026
1h 45m
No alerts
Replay Analysis
N85352EMBRAER Embraer 175 long wing
→
9/26/2026
1h 48m
No alerts
Replay Analysis
N82338EMBRAER Embraer 175 long wing
→
9/25/2026
1h 54m
No alerts
Replay Analysis
N85356EMBRAER Embraer 175 long wing
→
9/24/2026
1h 12m
No alerts
Replay Analysis
N88325EMBRAER Embraer 175 long wing
→
9/24/2026
1h 7m
No alerts
Replay Analysis
N89317EMBRAER Embraer 175 long wing
→
9/23/2026
1h 34m
No alerts
Replay Analysis
N80343EMBRAER Embraer 175 long wing
→
9/22/2026
1h 3m
No alerts
Replay Analysis
N88331EMBRAER Embraer 175 long wing
→
9/21/2026
1h 2m
No alerts
Replay Analysis
N87345EMBRAER Embraer 175 long wing
→
9/20/2026
1h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window