Flight OddsDelta Air Lines · Salt Lake City, UT to San Jose, CA · 140 flights observed, 2025-08-01 to 2025-12-19 · 584 mi
DL4049 covers more than one route in the data window — the stats below are for SLC → SJC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL4049 on time?
Across 140 flights on SLC → SJC from 2025-08-01 to 2025-12-19, DL4049 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +3 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 | 133 | 95% |
| 16-30 min | 4 | 3% |
| 31-60 min | 1 | 1% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 31 | 90% | -4 min |
| 2025-09 | 30 | 93% | -8 min |
| 2025-10 | 31 | 94% | -5 min |
| 2025-11 | 29 | 100% | -9 min |
| 2025-12 | 19 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 95% |
| Tue | 20 | 100% |
| Wed | 20 | 100% |
| Thu | 19 | 95% |
| Fri | 21 | 95% |
| Sat | 20 | 100% |
| Sun | 20 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…