Flight OddsSouthwest Airlines · Raleigh/Durham, NC to Chicago, IL · 63 flights observed, 2025-11-02 to 2026-01-05 · 632 mi
WN4108 covers more than one route in the data window — the stats below are for RDU → MDW, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4108 on time?
Across 63 flights on RDU → MDW from 2025-11-02 to 2026-01-05, WN4108 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +24 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 51 | 82% |
| 16-30 min | 6 | 10% |
| 31-60 min | 3 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 92% | +1 min |
| 2025-12 | 31 | 74% | +11 min |
| 2026-01 | 5 | 80% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 9 | 100% |
| Wed | 9 | 100% |
| Thu | 8 | 88% |
| Fri | 9 | 78% |
| Sat | 8 | 63% |
| Sun | 9 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…