Flight OddsDL3720 SEA → SFO
Delta Air Lines · Seattle, WA to San Francisco, CA · 12 flights observed, 2025-12-20 to 2026-01-04 · 679 mi
DL3720 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
50%
Median delay
+23 min
90th percentile
+124 min
Cancellation rate
0%
How often is DL3720 on time?
Across 12 flights on SEA → SFO from 2025-12-20 to 2026-01-04, DL3720 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +124 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 | 6 | 50% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 17% |
| 61-120 min | 2 | 17% |
| 2+ hrs | 2 | 17% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 67% | +13 min |
| 2026-01 | 3 | 0% | +158 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 100% |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 2 | 0% |
| Sat | 3 | 67% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…