Flight OddsDL4446 SLC → BOI
Delta Air Lines · Salt Lake City, UT to Boise, ID · 67 flights observed, 2025-12-20 to 2026-06-30 · 290 mi
On-time arrival
91%
Median delay
-13 min
90th percentile
+7 min
Cancellation rate
0%
How often is DL4446 on time?
Across 67 flights on SLC → BOI from 2025-12-20 to 2026-06-30, DL4446 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +7 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 | 61 | 91% |
| 16-30 min | 4 | 6% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 78% | +2 min |
| 2026-01 | 3 | 100% | -7 min |
| 2026-05 | 25 | 88% | -8 min |
| 2026-06 | 30 | 97% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 10 | 100% |
| Wed | 7 | 100% |
| Thu | 8 | 75% |
| Fri | 10 | 90% |
| Sat | 11 | 91% |
| Sun | 11 | 91% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…