Flight OddsDL2817 SLC → SEA
Delta Air Lines · Salt Lake City, UT to Seattle, WA · 363 flights observed, 2025-07-01 to 2026-06-30 · 689 mi
On-time arrival
76%
Median delay
-6 min
90th percentile
+40 min
Cancellation rate
0%
How often is DL2817 on time?
Across 363 flights on SLC → SEA from 2025-07-01 to 2026-06-30, DL2817 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +40 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 | 275 | 76% |
| 16-30 min | 37 | 10% |
| 31-60 min | 24 | 7% |
| 61-120 min | 19 | 5% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +8 min |
| 2025-08 | 31 | 65% | +15 min |
| 2025-09 | 30 | 60% | +15 min |
| 2025-10 | 31 | 68% | +12 min |
| 2025-11 | 28 | 86% | +2 min |
| 2025-12 | 31 | 58% | +13 min |
| 2026-01 | 31 | 94% | -13 min |
| 2026-02 | 28 | 82% | -2 min |
| 2026-03 | 30 | 90% | +0 min |
| 2026-04 | 30 | 83% | +2 min |
| 2026-05 | 31 | 74% | +3 min |
| 2026-06 | 30 | 77% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 73% |
| Tue | 53 | 79% |
| Wed | 52 | 77% |
| Thu | 51 | 75% |
| Fri | 50 | 68% |
| Sat | 52 | 83% |
| Sun | 52 | 77% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…