Flight OddsWN4488 SMF → MDW
Southwest Airlines · Sacramento, CA to Chicago, IL · 28 flights observed, 2026-03-05 to 2026-04-06 · 1,790 mi
WN4488 covers more than one route in the data window — the stats below are for SMF → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-10 min
90th percentile
+14 min
Cancellation rate
0%
How often is WN4488 on time?
Across 28 flights on SMF → MDW from 2026-03-05 to 2026-04-06, WN4488 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +14 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 | 26 | 93% |
| 16-30 min | 1 | 4% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 96% | -11 min |
| 2026-04 | 5 | 80% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 5 | 100% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…