ON TIMEBOARD

AA 4598 on time

American Airlines 4598: New York to Detroit at 8:29 p.m. (past 12 months)

On time
58%
312 flights · likely 52–63%
Cancelled
9.3%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+88 min
average delay
Similar flights
52%
AA, same route & hour

About 1 in 2 AA 4598 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (42%); 9.3% were cancelled. The typical flight landed 1 minutes early.

AA 4598: LGA → DTW

Scheduled to leave New York at 8:29 p.m. local time, operated by Republic Airways as YX 4598. Over the past year it arrived on time 58% of the time (312 flights), better than other AA flights on the route at that hour (52%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from New York to Detroit (100% of days). American Airlines's last LGA–DTW flight was cancelled 8.1% of the time, against 3.6% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 8:06 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 57% on time (28 flights)57OctNov 2025: 68% on time (25 flights)68NovDec 2025: 71% on time (21 flights)71DecJan 2026: 50% on time (22 flights)50JanFeb 2026: 67% on time (24 flights)67FebMar 2026: 41% on time (27 flights)41MarApr 2026: 65% on time (26 flights)65AprMay 2026: 69% on time (26 flights)69MayJun 2026: 42% on time (26 flights)42JunJul 2026: 44% on time (27 flights)44JulAug 2026: 43% on time (30 flights)43Aug

By day of week

DayFlightsOn time
Monday5157%
Tuesday5173%
Wednesday5054%
Thursday4939%
Friday5070%
Saturday11—
Sunday5054%

Why it was late

Late inbound plane 69%Air traffic & airport (NAS) 17%Airline (crew, maintenance, ops) 10%Severe weather 4%

All flights LGA → DTW · Connecting off AA 4598? Check the risk

Questions

How often is AA 4598 from LGA to DTW late?

American Airlines 4598 from New York, NY to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 42% of 312 scheduled flights between September 2025 and August 2026. 9.3% 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 American Airlines for today's flight. Method.