Flight OddsSLC → HLN Delta Air Lines
Delta Air Lines · Salt Lake City, UT to Helena, MT · 725 flights, 2025-07-01 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
97%
Median delay
-15 min
90th percentile
0 min
Cancellation rate
0%
How on-time is Delta Air Lines from SLC to HLN?
Across every Delta Air Lines flight number on SLC → HLN (725 flights, 2025-07-01 to 2026-06-30), 97% arrived within 15 minutes of schedule. Median arrival delay -15 min; the worst 10% ran 0 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 702 | 97% |
| 16-30 min | 11 | 2% |
| 31-60 min | 7 | 1% |
| 61-120 min | 2 | 0% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 97% | -14 min |
| 2025-08 | 62 | 98% | -12 min |
| 2025-09 | 60 | 98% | -14 min |
| 2025-10 | 62 | 100% | -12 min |
| 2025-11 | 57 | 96% | -16 min |
| 2025-12 | 59 | 100% | -13 min |
| 2026-01 | 61 | 95% | -9 min |
| 2026-02 | 56 | 93% | -15 min |
| 2026-03 | 62 | 97% | -12 min |
| 2026-04 | 60 | 98% | -14 min |
| 2026-05 | 62 | 98% | -11 min |
| 2026-06 | 60 | 93% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 104 | 96% |
| Tue | 106 | 97% |
| Wed | 102 | 97% |
| Thu | 101 | 95% |
| Fri | 104 | 97% |
| Sat | 103 | 98% |
| Sun | 103 | 99% |
DL flight numbers on SLC → HLN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…