Flight OddsSouthwest Airlines · Sarasota/Bradenton, FL to Chicago, IL · 23 flights observed, 2026-06-04 to 2026-06-30 · 1,035 mi
WN3879 covers more than one route in the data window — the stats below are for SRQ → MDW, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN3879 on time?
Across 23 flights on SRQ → MDW from 2026-06-04 to 2026-06-30, WN3879 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +44 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 | 12 | 63% |
| 16-30 min | 3 | 16% |
| 31-60 min | 3 | 16% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 19 | 63% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 4 | 100% |
| Wed | 2 | 50% |
| Thu | 3 | 67% |
| Fri | 4 | 75% |
| Sat | No data | — |
| 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…