DL1165 SEA → SLC
Delta Air Lines · Seattle, WA to Salt Lake City, UT · 302 flights observed, 2025-07-01 to 2026-06-30 · 689 mi
DL1165 covers more than one route in the data window — the stats below are for SEA → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
0 min
90th percentile
+36 min
Cancellation rate
1%
How often is DL1165 on time?
Across 302 flights on SEA → SLC from 2025-07-01 to 2026-06-30, DL1165 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +36 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 241 | 80% |
| 16-30 min | 20 | 7% |
| 31-60 min | 19 | 6% |
| 61-120 min | 15 | 5% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +16 min |
| 2025-08 | 30 | 73% | +10 min |
| 2025-09 | 30 | 90% | -1 min |
| 2025-10 | 31 | 81% | +15 min |
| 2025-11 | 29 | 93% | +3 min |
| 2025-12 | 31 | 71% | +12 min |
| 2026-01 | 4 | 100% | +1 min |
| 2026-03 | 23 | 74% | +15 min |
| 2026-04 | 30 | 93% | -5 min |
| 2026-05 | 31 | 87% | +1 min |
| 2026-06 | 30 | 73% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 43 | 88% |
| Tue | 44 | 80% |
| Wed | 43 | 77% |
| Thu | 41 | 78% |
| Fri | 42 | 86% |
| Sat | 43 | 86% |
| Sun | 44 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…