Flight OddsWN644 DAL → SFO
Southwest Airlines · Dallas, TX to San Francisco, CA · 40 flights observed, 2026-04-09 to 2026-06-01 · 1,476 mi
WN644 covers more than one route in the data window — the stats below are for DAL → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+9 min
90th percentile
+30 min
Cancellation rate
0%
How often is WN644 on time?
Across 40 flights on DAL → SFO from 2026-04-09 to 2026-06-01, WN644 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +30 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 | 27 | 68% |
| 16-30 min | 9 | 23% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 16 | 50% | +26 min |
| 2026-05 | 23 | 78% | +9 min |
| 2026-06 | 1 | 100% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 88% |
| Fri | 8 | 88% |
| Sat | 8 | 63% |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…