Flight OddsDL4123 SJC → LAX
Delta Air Lines · San Jose, CA to Los Angeles, CA · 178 flights observed, 2025-07-06 to 2026-02-11 · 308 mi
DL4123 covers more than one route in the data window — the stats below are for SJC → LAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-17 min
90th percentile
+0 min
Cancellation rate
2%
How often is DL4123 on time?
Across 178 flights on SJC → LAX from 2025-07-06 to 2026-02-11, DL4123 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +0 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 165 | 94% |
| 16-30 min | 2 | 1% |
| 31-60 min | 4 | 2% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 91% | -18 min |
| 2025-08 | 20 | 95% | -16 min |
| 2025-09 | 17 | 94% | -18 min |
| 2025-10 | 23 | 96% | -14 min |
| 2025-11 | 19 | 100% | -17 min |
| 2025-12 | 31 | 90% | -1 min |
| 2026-01 | 31 | 94% | -10 min |
| 2026-02 | 11 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 27 | 93% |
| Tue | 26 | 96% |
| Wed | 27 | 93% |
| Thu | 27 | 100% |
| Fri | 27 | 93% |
| Sat | 13 | 85% |
| Sun | 28 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…