Flight OddsWN4155 ORD → PHX
Southwest Airlines · Chicago, IL to Phoenix, AZ · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,440 mi
WN4155 covers more than one route in the data window — the stats below are for ORD → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
34%
Median delay
+24 min
90th percentile
+66 min
Cancellation rate
0%
How often is WN4155 on time?
Across 35 flights on ORD → PHX from 2025-07-01 to 2025-08-04, WN4155 arrived within 15 minutes of schedule 34% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +66 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 | 34% |
| 16-30 min | 11 | 31% |
| 31-60 min | 5 | 14% |
| 61-120 min | 7 | 20% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 35% | +28 min |
| 2025-08 | 4 | 25% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 80% |
| Wed | 5 | 20% |
| Thu | 5 | 20% |
| Fri | 5 | 60% |
| Sat | 5 | 20% |
| Sun | 5 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…