Flight OddsONT → DEN Southwest Airlines
Southwest Airlines · Ontario, CA to Denver, CO · 1,267 flights, 2025-07-01 to 2026-06-30 · aggregated across 49 flight numbers
On-time arrival
77%
Median delay
-2 min
90th percentile
+40 min
Cancellation rate
0%
How on-time is Southwest Airlines from ONT to DEN?
Across every Southwest Airlines flight number on ONT → DEN (1,267 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +40 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 963 | 77% |
| 16-30 min | 125 | 10% |
| 31-60 min | 83 | 7% |
| 61-120 min | 63 | 5% |
| 2+ hrs | 23 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 71% | +20 min |
| 2025-08 | 108 | 73% | +12 min |
| 2025-09 | 107 | 80% | +15 min |
| 2025-10 | 110 | 85% | +4 min |
| 2025-11 | 105 | 78% | +4 min |
| 2025-12 | 105 | 73% | +9 min |
| 2026-01 | 92 | 85% | +0 min |
| 2026-02 | 81 | 84% | +2 min |
| 2026-03 | 104 | 70% | +8 min |
| 2026-04 | 105 | 78% | +3 min |
| 2026-05 | 110 | 78% | +9 min |
| 2026-06 | 112 | 67% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 195 | 76% |
| Tue | 170 | 78% |
| Wed | 164 | 74% |
| Thu | 191 | 73% |
| Fri | 193 | 73% |
| Sat | 151 | 81% |
| Sun | 193 | 81% |
WN flight numbers on ONT → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…