Flight OddsWN1937 PHX → ONT
Southwest Airlines · Phoenix, AZ to Ontario, CA · 19 flights observed, 2026-01-10 to 2026-03-02 · 325 mi
WN1937 covers more than one route in the data window — the stats below are for PHX → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
95%
Median delay
-13 min
90th percentile
+3 min
Cancellation rate
0%
How often is WN1937 on time?
Across 19 flights on PHX → ONT from 2026-01-10 to 2026-03-02, WN1937 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +3 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 | 18 | 95% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 9 | 100% | -13 min |
| 2026-02 | 9 | 89% | +20 min |
| 2026-03 | 1 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 3 | 100% |
| Fri | 2 | 100% |
| Sat | 5 | 100% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…