WN1870 ORD → BWI

Southwest Airlines · Chicago, IL to Baltimore, MD · 58 flights observed, 2025-08-05 to 2025-10-01 · 622 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 38% on Saturdays.

WN1870 covers more than one route in the data window — the stats below are for ORD → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-4 min
90th percentile
+130 min
Cancellation rate
0%

How often is WN1870 on time?

Across 58 flights on ORD → BWI from 2025-08-05 to 2025-10-01, WN1870 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +130 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4171%
16-30 min47%
31-60 min610%
61-120 min12%
2+ hrs610%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082759%+60 min
2025-093080%+6 min
2025-101100%-9 min

Performance by day of week

DayFlightsOn-time
Mon8100%
Tue978%
Wed989%
Thu863%
Fri875%
Sat838%
Sun850%

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