Flight OddsSouthwest Airlines · Denver, CO to Raleigh/Durham, NC · 58 flights observed, 2026-04-07 to 2026-06-03 · 1,436 mi
WN3138 covers more than one route in the data window — the stats below are for DEN → RDU, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN3138 on time?
Across 58 flights on DEN → RDU from 2026-04-07 to 2026-06-03, WN3138 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +25 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 | 40 | 69% |
| 16-30 min | 13 | 22% |
| 31-60 min | 3 | 5% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 24 | 79% | +9 min |
| 2026-05 | 31 | 65% | +12 min |
| 2026-06 | 3 | 33% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 67% |
| Wed | 9 | 67% |
| Thu | 8 | 63% |
| Fri | 8 | 50% |
| Sat | 8 | 88% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…