WN1218 BWI → MIA

Southwest Airlines · Baltimore, MD to Miami, FL · 58 flights observed, 2026-04-07 to 2026-06-03 · 946 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 56% on Wednesdays.

WN1218 covers more than one route in the data window — the stats below are for BWI → MIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
+2 min
90th percentile
+35 min
Cancellation rate
0%

How often is WN1218 on time?

Across 58 flights on BWI → MIA from 2026-04-07 to 2026-06-03, WN1218 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +35 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4578%
16-30 min610%
31-60 min47%
61-120 min12%
2+ hrs23%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042483%+2 min
2026-053174%+17 min
2026-06367%+10 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue967%
Wed956%
Thu875%
Fri888%
Sat8100%
Sun888%

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