WN1877 DAL → BWI

Southwest Airlines · Dallas, TX to Baltimore, MD · 28 flights observed, 2026-01-06 to 2026-03-04 · 1,209 mi

This flight has been getting less reliable recently — 2026-02's on-time rate (44%) is well below the 76% average from earlier months.

WN1877 covers more than one route in the data window — the stats below are for DAL → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+3 min
90th percentile
+26 min
Cancellation rate
0%

How often is WN1877 on time?

Across 28 flights on DAL → BWI from 2026-01-06 to 2026-03-04, WN1877 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1968%
16-30 min725%
31-60 min27%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-011776%+4 min
2026-02944%+9 min
2026-032100%+11 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue863%
Wed978%
Thu3100%
Fri367%
SatNo data—
Sun250%

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