Flight OddsDL3937 SJC → SLC
Delta Air Lines · San Jose, CA to Salt Lake City, UT · 46 flights observed, 2026-05-07 to 2026-06-30 · 584 mi
DL3937 covers more than one route in the data window — the stats below are for SJC → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-10 min
90th percentile
+33 min
Cancellation rate
0%
How often is DL3937 on time?
Across 46 flights on SJC → SLC from 2026-05-07 to 2026-06-30, DL3937 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +33 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 | 41 | 89% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 3 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 20 | 80% | +15 min |
| 2026-06 | 26 | 96% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 100% |
| Wed | 7 | 86% |
| Thu | 8 | 100% |
| Fri | 8 | 88% |
| Sat | No data | — |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…