WN977 HOU → BWI

Southwest Airlines · Houston, TX to Baltimore, MD · 18 flights observed, 2025-11-22 to 2026-01-04 · 1,246 mi

WN977 covers more than one route in the data window — the stats below are for HOU → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+6 min
90th percentile
+36 min
Cancellation rate
6%

How often is WN977 on time?

Across 18 flights on HOU → BWI from 2025-11-22 to 2026-01-04, WN977 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +36 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1271%
16-30 min212%
31-60 min318%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-114100%-3 min
2025-121060%+16 min
2026-01367%+7 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue367%
Wed1100%
ThuNo data—
Fri250%
Sat580%
Sun367%

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