Flight OddsDelta Air Lines · Spokane, WA to Salt Lake City, UT · 182 flights observed, 2025-07-01 to 2026-06-30 · 546 mi
DL1503 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”.
How often is DL1503 on time?
Across 182 flights on GEG → SLC from 2025-07-01 to 2026-06-30, DL1503 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +24 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 152 | 85% |
| 16-30 min | 12 | 7% |
| 31-60 min | 4 | 2% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +2 min |
| 2025-08 | 21 | 86% | +5 min |
| 2025-09 | 20 | 90% | -4 min |
| 2025-10 | 28 | 89% | -6 min |
| 2025-11 | 20 | 75% | +14 min |
| 2025-12 | 18 | 89% | -14 min |
| 2026-05 | 12 | 92% | -10 min |
| 2026-06 | 30 | 87% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 83% |
| Tue | 25 | 80% |
| Wed | 26 | 81% |
| Thu | 26 | 85% |
| Fri | 26 | 92% |
| Sat | 25 | 84% |
| Sun | 27 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…