Flight OddsDL3963 GEG → SLC
Delta Air Lines · Spokane, WA to Salt Lake City, UT · 61 flights observed, 2025-12-20 to 2026-06-21 · 546 mi
DL3963 covers more than one route in the data window — the stats below are for GEG → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-17 min
90th percentile
-1 min
Cancellation rate
0%
How often is DL3963 on time?
Across 61 flights on GEG → SLC from 2025-12-20 to 2026-06-21, DL3963 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived -1 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 | 58 | 95% |
| 16-30 min | 3 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 89% | -9 min |
| 2026-01 | 3 | 100% | -2 min |
| 2026-04 | 16 | 94% | -19 min |
| 2026-05 | 25 | 100% | -17 min |
| 2026-06 | 8 | 88% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 100% |
| Tue | 10 | 90% |
| Wed | 8 | 100% |
| Thu | 8 | 100% |
| Fri | 10 | 90% |
| Sat | 3 | 100% |
| Sun | 12 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…