Flight OddsIAD → PHX Southwest Airlines
Southwest Airlines · Washington, DC to Phoenix, AZ · 337 flights, 2025-07-01 to 2026-06-03 · aggregated across 10 flight numbers
On-time arrival
70%
Median delay
+4 min
90th percentile
+45 min
Cancellation rate
1%
How on-time is Southwest Airlines from IAD to PHX?
Across every Southwest Airlines flight number on IAD → PHX (337 flights, 2025-07-01 to 2026-06-03), 70% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +45 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 233 | 70% |
| 16-30 min | 40 | 12% |
| 31-60 min | 36 | 11% |
| 61-120 min | 15 | 5% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +34 min |
| 2025-08 | 30 | 73% | +13 min |
| 2025-09 | 29 | 66% | +12 min |
| 2025-10 | 31 | 48% | +21 min |
| 2025-11 | 28 | 64% | +15 min |
| 2025-12 | 31 | 71% | +5 min |
| 2026-01 | 30 | 90% | -12 min |
| 2026-02 | 28 | 89% | -7 min |
| 2026-03 | 31 | 77% | +15 min |
| 2026-04 | 30 | 77% | +12 min |
| 2026-05 | 31 | 71% | +4 min |
| 2026-06 | 3 | 100% | -32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 72% |
| Tue | 49 | 71% |
| Wed | 49 | 61% |
| Thu | 46 | 63% |
| Fri | 48 | 69% |
| Sat | 48 | 85% |
| Sun | 46 | 70% |
WN flight numbers on IAD → PHX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…