ON TIMEBOARD

DL 3929 on time

Delta Air Lines 3929: Los Angeles to Reno at 9:59 p.m. (past 12 months)

On time
88%
356 flights · likely 85–91%
Cancelled
0.3%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+64 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 9 DL 3929 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.3% were cancelled. The typical flight landed 11 minutes early.

DL 3929: LAX → RNO

Scheduled to leave Los Angeles at 9:59 p.m. local time, operated by SkyWest as OO 3929. Over the past year it arrived on time 88% of the time (356 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Los Angeles to Reno (100% of days). Delta Air Lines's last LAX–RNO flight was cancelled 0.3% of the time, against 0.3% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:20 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 97% on time (30 flights)97OctNov 2025: 85% on time (27 flights)85NovDec 2025: 90% on time (31 flights)90DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 88% on time (26 flights)88FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 79% on time (29 flights)79MayJun 2026: 87% on time (30 flights)87JunJul 2026: 83% on time (30 flights)83JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5294%
Wednesday5288%
Thursday5192%
Friday5090%
Saturday4881%
Sunday5088%

Why it was late

Airline (crew, maintenance, ops) 85%Severe weather 11%Air traffic & airport (NAS) 4%

All flights LAX → RNO · Connecting off DL 3929? Check the risk

Questions

How often is DL 3929 from LAX to RNO late?

Delta Air Lines 3929 from Los Angeles, CA to Reno, NV arrived 15 or more minutes late, was diverted or was cancelled on 12% of 356 scheduled flights between September 2025 and August 2026. 0.3% 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 Delta Air Lines for today's flight. Method.