About 1 in 11 DL 3902 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (9%); 0.5% were cancelled. The typical flight landed 12 minutes early.
DL 3902: LAX → RNO
Scheduled to leave Los Angeles at 12:56 p.m. local time, operated by SkyWest as OO 3902. Over the past year it arrived on time 91% of the time (201 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 97% |
| Tuesday | 28 | 86% |
| Wednesday | 28 | 86% |
| Thursday | 29 | 97% |
| Friday | 29 | 93% |
| Saturday | 29 | 90% |
| Sunday | 29 | 90% |
Why it was late
All flights LAX → RNO · Connecting off DL 3902? Check the risk
DL 3902: RNO → LAX
Scheduled to leave Reno at 3:04 p.m. local time, operated by SkyWest as OO 3902. Over the past year it arrived on time 84% of the time (200 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 93% |
| Tuesday | 28 | 82% |
| Wednesday | 28 | 82% |
| Thursday | 29 | 86% |
| Friday | 29 | 86% |
| Saturday | 29 | 83% |
| Sunday | 28 | 75% |
Why it was late
All flights RNO → LAX · Connecting off DL 3902? Check the risk
Questions
How often is DL 3902 from LAX to RNO late?
Delta Air Lines 3902 from Los Angeles, CA to Reno, NV arrived 15 or more minutes late, was diverted or was cancelled on 9% of 201 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.
How often is DL 3902 from RNO to LAX late?
Delta Air Lines 3902 from Reno, NV to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 200 scheduled flights between September 2025 and August 2026. 0.5% 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.