Flight OddsDelta Air Lines · St. George, UT to Salt Lake City, UT · 77 flights observed, 2025-09-28 to 2026-06-05 · 272 mi
DL4315 covers more than one route in the data window — the stats below are for SGU → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL4315 on time?
Across 77 flights on SGU → SLC from 2025-09-28 to 2026-06-05, DL4315 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +13 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 | 70 | 91% |
| 16-30 min | 3 | 4% |
| 31-60 min | 0 | 0% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 3 | 100% | -19 min |
| 2025-10 | 27 | 96% | -18 min |
| 2025-11 | 9 | 100% | -23 min |
| 2026-04 | 13 | 85% | -5 min |
| 2026-05 | 20 | 90% | -9 min |
| 2026-06 | 5 | 60% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 92% |
| Tue | 8 | 100% |
| Wed | 15 | 100% |
| Thu | 13 | 77% |
| Fri | 14 | 79% |
| Sat | No data | — |
| Sun | 14 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…