ON TIMEBOARD

F9 4873 on time

Frontier Airlines 4873: Fort Lauderdale to Atlanta at 6:05 a.m. (past 12 months)

On time
69%
167 flights · likely 62–76%
Cancelled
3.0%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+90 min
average delay
Similar flights
79%
F9, same route & hour

About 1 in 3 F9 4873 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (31%); 3.0% were cancelled. The typical flight landed 5 minutes early.

F9 4873: FLL → ATL

Scheduled to leave Fort Lauderdale at 6:05 a.m. local time. Over the past year it arrived on time 69% of the time (167 flights), worse than other F9 flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 70% on time (23 flights)70AprMay 2025: too few flights (6 flights)MayNov 2025: too few flights (3 flights)NovDec 2025: too few flights (1 flights)DecJan 2026: too few flights (7 flights)JanFeb 2026: 61% on time (23 flights)61FebMar 2026: 58% on time (24 flights)58MarApr 2026: 68% on time (22 flights)68AprMay 2026: too few flights (3 flights)MayJun 2026: 73% on time (22 flights)73JunJul 2026: 77% on time (31 flights)77JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday2568%
Tuesday2584%
Wednesday2190%
Thursday2463%
Friday2572%
Saturday2152%
Sunday2658%

Why it was late

Late inbound plane 57%Airline (crew, maintenance, ops) 32%Air traffic & airport (NAS) 12%

All flights FLL → ATL · Connecting off F9 4873? Check the risk

Questions

How often is F9 4873 from FLL to ATL late?

Frontier Airlines 4873 from Fort Lauderdale, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 31% of 167 scheduled flights between September 2025 and August 2026. 3.0% 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 Frontier Airlines for today's flight. Method.