Flight OddsDL2823 SLC → SEA
Delta Air Lines · Salt Lake City, UT to Seattle, WA · 133 flights observed, 2025-07-03 to 2025-12-17 · 689 mi
DL2823 covers more than one route in the data window — the stats below are for SLC → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+9 min
90th percentile
+35 min
Cancellation rate
1%
How often is DL2823 on time?
Across 133 flights on SLC → SEA from 2025-07-03 to 2025-12-17, DL2823 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +35 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 | 87 | 66% |
| 16-30 min | 25 | 19% |
| 31-60 min | 13 | 10% |
| 61-120 min | 6 | 5% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 57% | +13 min |
| 2025-08 | 28 | 46% | +17 min |
| 2025-09 | 30 | 80% | +8 min |
| 2025-10 | 31 | 65% | +13 min |
| 2025-11 | 14 | 71% | +12 min |
| 2025-12 | 8 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 50% |
| Tue | 18 | 78% |
| Wed | 18 | 78% |
| Thu | 18 | 61% |
| Fri | 19 | 63% |
| Sat | 23 | 87% |
| Sun | 18 | 39% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…