Flight OddsSLC → BOI Delta Air Lines
Delta Air Lines · Salt Lake City, UT to Boise, ID · 1,742 flights, 2025-07-01 to 2026-06-30 · aggregated across 32 flight numbers
On-time arrival
87%
Median delay
-9 min
90th percentile
+19 min
Cancellation rate
1%
How on-time is Delta Air Lines from SLC to BOI?
Across every Delta Air Lines flight number on SLC → BOI (1,742 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +19 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,511 | 87% |
| 16-30 min | 85 | 5% |
| 31-60 min | 67 | 4% |
| 61-120 min | 40 | 2% |
| 2+ hrs | 24 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 150 | 86% | +2 min |
| 2025-08 | 155 | 87% | -1 min |
| 2025-09 | 150 | 88% | +0 min |
| 2025-10 | 155 | 90% | -4 min |
| 2025-11 | 142 | 89% | -5 min |
| 2025-12 | 145 | 83% | 0 min |
| 2026-01 | 122 | 84% | -2 min |
| 2026-02 | 112 | 88% | -4 min |
| 2026-03 | 148 | 89% | -2 min |
| 2026-04 | 149 | 85% | -1 min |
| 2026-05 | 155 | 88% | -1 min |
| 2026-06 | 144 | 92% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 247 | 87% |
| Tue | 253 | 91% |
| Wed | 246 | 87% |
| Thu | 242 | 85% |
| Fri | 245 | 86% |
| Sat | 247 | 89% |
| Sun | 247 | 86% |
DL flight numbers on SLC → BOI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…