Flight OddsWN4321 SMF → BUR
Southwest Airlines · Sacramento, CA to Burbank, CA · 46 flights observed, 2025-11-02 to 2026-01-05 · 358 mi
WN4321 covers more than one route in the data window — the stats below are for SMF → BUR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-12 min
90th percentile
+13 min
Cancellation rate
7%
How often is WN4321 on time?
Across 46 flights on SMF → BUR from 2025-11-02 to 2026-01-05, WN4321 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +13 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 91% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 5% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 23 | 91% | -3 min |
| 2025-12 | 18 | 89% | -1 min |
| 2026-01 | 2 | 100% | -18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 6 | 100% |
| Wed | 7 | 86% |
| Thu | 8 | 100% |
| Fri | 5 | 100% |
| Sat | 4 | 100% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…