Flight OddsDL879 SNA → SEA
Delta Air Lines · Santa Ana, CA to Seattle, WA · 148 flights observed, 2025-07-03 to 2025-12-19 · 978 mi
DL879 covers more than one route in the data window — the stats below are for SNA → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-6 min
90th percentile
+42 min
Cancellation rate
1%
How often is DL879 on time?
Across 148 flights on SNA → SEA from 2025-07-03 to 2025-12-19, DL879 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +42 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 | 112 | 77% |
| 16-30 min | 11 | 8% |
| 31-60 min | 16 | 11% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 56% | +10 min |
| 2025-08 | 23 | 61% | +12 min |
| 2025-09 | 29 | 76% | +1 min |
| 2025-10 | 31 | 87% | +1 min |
| 2025-11 | 29 | 90% | -12 min |
| 2025-12 | 18 | 78% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 83% |
| Tue | 19 | 84% |
| Wed | 19 | 79% |
| Thu | 25 | 64% |
| Fri | 23 | 70% |
| Sat | 14 | 100% |
| Sun | 22 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…