WN1177 SLC → PHX

Southwest Airlines · Salt Lake City, UT to Phoenix, AZ · 18 flights observed, 2026-04-07 to 2026-06-03 · 507 mi

This flight has been getting less reliable recently — 2026-05's on-time rate (38%) is well below the 75% average from earlier months.

WN1177 covers more than one route in the data window — the stats below are for SLC → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
61%
Median delay
+6 min
90th percentile
+40 min
Cancellation rate
0%

How often is WN1177 on time?

Across 18 flights on SLC → PHX from 2026-04-07 to 2026-06-03, WN1177 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +40 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1161%
16-30 min317%
31-60 min422%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-04875%+7 min
2026-05838%+17 min
2026-062100%-6 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue967%
Wed956%
ThuNo data—
FriNo data—
SatNo data—
SunNo data—

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