ON TIMEBOARD

F9 3982 on time

Frontier Airlines 3982: Salt Lake City to Denver at 11:49 a.m. (past 12 months)

On time
74%
247 flights · likely 68–79%
Cancelled
0.8%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+101 min
average delay
Similar flights
84%
F9, same route & hour

About 1 in 4 F9 3982 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.8% were cancelled. The typical flight landed 7 minutes early.

F9 3982: SLC → DEN

Scheduled to leave Salt Lake City at 11:49 a.m. local time. Over the past year it arrived on time 74% of the time (247 flights), worse than other F9 flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 69% on time (26 flights)69SepOct 2025: 81% on time (27 flights)81OctNov 2025: 71% on time (21 flights)71NovDec 2025: too few flights (11 flights)DecJan 2026: too few flights (14 flights)JanFeb 2026: too few flights (10 flights)FebMar 2026: 75% on time (28 flights)75MarApr 2026: 92% on time (24 flights)92AprMay 2026: too few flights (3 flights)MayJun 2026: 77% on time (22 flights)77JunJul 2026: 60% on time (30 flights)60JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday3759%
Tuesday3385%
Wednesday3278%
Thursday3982%
Friday3874%
Saturday2781%
Sunday4163%

Why it was late

Airline (crew, maintenance, ops) 42%Air traffic & airport (NAS) 30%Late inbound plane 28%

All flights SLC → DEN · Connecting off F9 3982? Check the risk

Questions

How often is F9 3982 from SLC to DEN late?

Frontier Airlines 3982 from Salt Lake City, UT to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 26% of 247 scheduled flights between September 2025 and August 2026. 0.8% 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.