WN1163 STL → BOS

Southwest Airlines · St. Louis, MO to Boston, MA · 29 flights observed, 2025-07-01 to 2025-08-04 · 1,047 mi

This flight runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 40% departing 12–3pm.

WN1163 covers more than one route in the data window — the stats below are for STL → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
+8 min
90th percentile
+34 min
Cancellation rate
0%

How often is WN1163 on time?

Across 29 flights on STL → BOS from 2025-07-01 to 2025-08-04, WN1163 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +34 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2172%
16-30 min414%
31-60 min310%
61-120 min00%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072669%+21 min
2025-083100%-5 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue560%
Wed580%
Thu5100%
Fri4100%
Sat540%
SunNo data—

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