WN635 PHX → ATL

Southwest Airlines · Phoenix, AZ to Atlanta, GA · 18 flights observed, 2025-11-02 to 2026-01-05 · 1,587 mi

This flight has been on time less than half the time (33%) — expect a real chance of a delay.

WN635 covers more than one route in the data window — the stats below are for PHX → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
33%
Median delay
+22 min
90th percentile
+77 min
Cancellation rate
0%

How often is WN635 on time?

Across 18 flights on PHX → ATL from 2025-11-02 to 2026-01-05, WN635 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +22 min, and the worst 10% of flights arrived +77 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time633%
16-30 min633%
31-60 min317%
61-120 min211%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111315%+41 min
2025-12475%+13 min
2026-011100%-20 min

Performance by day of week

DayFlightsOn-time
Mon333%
TueNo data—
WedNo data—
Thu367%
Fri540%
SatNo data—
Sun714%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…