Flight OddsDL3983 LAX → SJC
Delta Air Lines · Los Angeles, CA to San Jose, CA · 255 flights observed, 2025-07-01 to 2026-05-05 · 308 mi
DL3983 covers more than one route in the data window — the stats below are for LAX → SJC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-12 min
90th percentile
+14 min
Cancellation rate
0%
How often is DL3983 on time?
Across 255 flights on LAX → SJC from 2025-07-01 to 2026-05-05, DL3983 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +14 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 229 | 90% |
| 16-30 min | 14 | 6% |
| 31-60 min | 3 | 1% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 90% | -7 min |
| 2025-08 | 29 | 86% | -7 min |
| 2025-09 | 30 | 90% | -9 min |
| 2025-10 | 27 | 89% | -4 min |
| 2025-11 | 27 | 96% | -9 min |
| 2025-12 | 28 | 93% | -6 min |
| 2026-01 | 30 | 100% | -12 min |
| 2026-02 | 28 | 79% | +2 min |
| 2026-03 | 6 | 83% | +7 min |
| 2026-04 | 16 | 94% | -6 min |
| 2026-05 | 4 | 75% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 97% |
| Tue | 40 | 98% |
| Wed | 39 | 92% |
| Thu | 38 | 89% |
| Fri | 36 | 83% |
| Sat | 27 | 81% |
| Sun | 35 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…