ON TIMEBOARD

UA 3683 on time

United Airlines 3683: Newark to Indianapolis at 6:30 a.m. (past 12 months)

On time
89%
195 flights · likely 84–93%
Cancelled
0.0%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+44 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 9 UA 3683 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.0% were cancelled. The typical flight landed 12 minutes early.

UA 3683: EWR → IND

Scheduled to leave Newark at 6:30 a.m. local time, operated by Republic Airways as YX 3683. Over the past year it arrived on time 89% of the time (195 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2024: 95% on time (22 flights)95MayOct 2024: 100% on time (27 flights)100OctNov 2024: 96% on time (24 flights)96NovDec 2024: too few flights (2 flights)DecSep 2025: too few flights (8 flights)SepOct 2025: 83% on time (30 flights)83OctNov 2025: 92% on time (25 flights)92NovDec 2025: 87% on time (15 flights)87DecMay 2026: 96% on time (28 flights)96MayJun 2026: 93% on time (30 flights)93JunJul 2026: 87% on time (31 flights)87JulAug 2026: 86% on time (28 flights)86Aug

By day of week

DayFlightsOn time
Monday3093%
Tuesday2986%
Wednesday2896%
Thursday2875%
Friday2990%
Saturday18—
Sunday3391%

Why it was late

Airline (crew, maintenance, ops) 50%Air traffic & airport (NAS) 42%Late inbound plane 5%Severe weather 2%

All flights EWR → IND · Connecting off UA 3683? Check the risk

Questions

How often is UA 3683 from EWR to IND late?

United Airlines 3683 from Newark, NJ to Indianapolis, IN arrived 15 or more minutes late, was diverted or was cancelled on 11% of 195 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.