ON TIMEBOARD

DL 3933 on time

Delta Air Lines 3933: Salt Lake City to Burbank at 10:45 a.m.; Burbank to Salt Lake City at 1:40 p.m. (past 12 months). Figures below the title are for SLC → BUR, its busiest leg

On time
84%
234 flights · likely 78–88%
Cancelled
0.4%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+58 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 6 DL 3933 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.4% were cancelled. The typical flight landed 9 minutes early.

DL 3933: SLC → BUR

Scheduled to leave Salt Lake City at 10:45 a.m. local time, operated by SkyWest as OO 3933. Over the past year it arrived on time 84% of the time (234 flights), better than other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 74% on time (23 flights)74JunJul 2025: 71% on time (31 flights)71JulAug 2025: 61% on time (31 flights)61AugSep 2025: 77% on time (30 flights)77SepOct 2025: 62% on time (29 flights)62OctNov 2025: 79% on time (28 flights)79NovDec 2025: 78% on time (27 flights)78DecJan 2026: too few flights (3 flights)JanMay 2026: 88% on time (25 flights)88MayJun 2026: 97% on time (30 flights)97JunJul 2026: 100% on time (31 flights)100JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday3571%
Tuesday3497%
Wednesday3388%
Thursday3379%
Friday3482%
Saturday3187%
Sunday3482%

Why it was late

Airline (crew, maintenance, ops) 87%Air traffic & airport (NAS) 9%Severe weather 4%

All flights SLC → BUR · Connecting off DL 3933? Check the risk

DL 3933: BUR → SLC

Scheduled to leave Burbank at 1:40 p.m. local time, operated by SkyWest as OO 3933. Over the past year it arrived on time 84% of the time (221 flights), worse than other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 83% on time (23 flights)83JunJul 2025: 94% on time (31 flights)94JulAug 2025: 81% on time (31 flights)81AugSep 2025: 73% on time (30 flights)73SepOct 2025: 69% on time (29 flights)69OctNov 2025: 82% on time (28 flights)82NovDec 2025: 76% on time (17 flights)76DecMay 2026: 92% on time (25 flights)92MayJun 2026: 93% on time (30 flights)93JunJul 2026: 97% on time (31 flights)97JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday3382%
Tuesday3297%
Wednesday3284%
Thursday3376%
Friday3284%
Saturday2886%
Sunday3181%

Why it was late

Airline (crew, maintenance, ops) 72%Severe weather 18%Air traffic & airport (NAS) 10%

All flights BUR → SLC · Connecting off DL 3933? Check the risk

Questions

How often is DL 3933 from SLC to BUR late?

Delta Air Lines 3933 from Salt Lake City, UT to Burbank, CA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 234 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

How often is DL 3933 from BUR to SLC late?

Delta Air Lines 3933 from Burbank, CA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 16% of 221 scheduled flights between September 2025 and August 2026. 0.4% 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.