Flight OddsWN4221 SJC → AUS
Southwest Airlines · San Jose, CA to Austin, TX · 49 flights observed, 2026-04-07 to 2026-06-03 · 1,476 mi
WN4221 covers more than one route in the data window — the stats below are for SJC → AUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
+5 min
90th percentile
+24 min
Cancellation rate
0%
How often is WN4221 on time?
Across 49 flights on SJC → AUS from 2026-04-07 to 2026-06-03, WN4221 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +24 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 | 37 | 76% |
| 16-30 min | 9 | 18% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 21 | 86% | 0 min |
| 2026-05 | 25 | 68% | +11 min |
| 2026-06 | 3 | 67% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 67% |
| Wed | 9 | 89% |
| Thu | 8 | 75% |
| Fri | 8 | 75% |
| Sat | No data | — |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…