Flight OddsDL1503 SLC → GEG
Delta Air Lines · Salt Lake City, UT to Spokane, WA · 187 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 SLC → GEG, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-7 min
90th percentile
+42 min
Cancellation rate
2%
How often is DL1503 on time?
Across 187 flights on SLC → GEG from 2025-07-01 to 2026-06-30, DL1503 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +42 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 | 147 | 80% |
| 16-30 min | 7 | 4% |
| 31-60 min | 18 | 10% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 80% | +4 min |
| 2025-08 | 24 | 88% | +5 min |
| 2025-09 | 21 | 81% | +4 min |
| 2025-10 | 28 | 93% | -2 min |
| 2025-11 | 21 | 71% | +17 min |
| 2025-12 | 18 | 72% | +6 min |
| 2026-05 | 12 | 67% | +5 min |
| 2026-06 | 30 | 77% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 83% |
| Tue | 25 | 72% |
| Wed | 26 | 69% |
| Thu | 27 | 89% |
| Fri | 26 | 77% |
| Sat | 29 | 86% |
| Sun | 27 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…