WN1577 BUR → STL

Southwest Airlines · Burbank, CA to St. Louis, MO · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,583 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 60% on Sundays.

WN1577 covers more than one route in the data window — the stats below are for BUR → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
91%
Median delay
-6 min
90th percentile
+9 min
Cancellation rate
3%

How often is WN1577 on time?

Across 35 flights on BUR → STL from 2025-07-01 to 2025-08-04, WN1577 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +9 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3191%
16-30 min26%
31-60 min13%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073090%-3 min
2025-084100%-7 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue580%
Wed5100%
Thu5100%
Fri4100%
Sat5100%
Sun560%

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