ON TIMEBOARD

DL 339 on time

Delta Air Lines 339: Salt Lake City to Burbank at 8:50 p.m. (past 12 months)

On time
83%
313 flights · likely 78–87%
Cancelled
0.0%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+58 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 6 DL 339 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (17%); 0.0% were cancelled. The typical flight landed 5 minutes early.

DL 339: SLC → BUR

Scheduled to leave Salt Lake City at 8:50 p.m. local time. Over the past year it arrived on time 83% of the time (313 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Salt Lake City to Burbank (100% of days). Delta Air Lines's last SLC–BUR flight was cancelled 0.0% of the time, against 0.5% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:55 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 83% on time (23 flights)83OctNov 2025: 81% on time (27 flights)81NovDec 2025: 79% on time (19 flights)79DecJan 2026: 89% on time (27 flights)89JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 84% on time (31 flights)84MarApr 2026: too few flights (11 flights)AprMay 2026: 92% on time (25 flights)92MayJun 2026: 83% on time (30 flights)83JunJul 2026: 81% on time (31 flights)81JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday4288%
Tuesday4185%
Wednesday4683%
Thursday4672%
Friday4783%
Saturday4691%
Sunday4578%

Why it was late

Airline (crew, maintenance, ops) 71%Late inbound plane 22%Air traffic & airport (NAS) 5%Severe weather 2%

All flights SLC → BUR · Connecting off DL 339? Check the risk

Questions

How often is DL 339 from SLC to BUR late?

Delta Air Lines 339 from Salt Lake City, UT to Burbank, CA arrived 15 or more minutes late, was diverted or was cancelled on 17% of 313 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 Delta Air Lines for today's flight. Method.