WN878Southwest Airlines · BWI → BDL
live · 3h ago
Route confirmed Southwest Airlines

WN878 BaltimoreBWI · 19:55 HartfordBDL · 21:15

WN878 by Southwest Airlines flies from Baltimore (BWI) to Hartford (BDL).

Right nowNext departure today Operates daily
19:55

scheduled from BWI

⚖ WN878 typically leaves +28 and lands +2. The air wins minutes back.
Typical gate push+28 minmedian posted departure
Typical arrival+2 minmedian over 8 operations
Wins back in air~26 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-09
+19 gate · −13 arrival
09-08
+24 gate · −8 arrival
09-06
+15 gate · −6 arrival
09-05
+48 gate · +13 arrival
09-02
+28 gate · +2 arrival
09-01
+43 gate · +46 arrival
08-30
+13 gate · −13 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +2 min · 0 cancelled · 8 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
BDLHartfordOn-time likelyBDL delay board →
BWI→BDLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.4%Chance of cancellation
+10 minAvg hub delay right now

Conditions at BWI and BDL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Baltimore to Hartford flights today

same route · Southwest Airlines
WN673departs 08:20
WN992departs 08:45
WN3807departs 09:15
WN875departs 10:50
WN1742departs 11:05
WN2314departs 11:30

If WN878 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Hartford on the same day, with scheduled departure times in BWI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN878 actually runs

Pro Flight Search has tracked every published board update for WN878 across the BWI and BDL boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 6/8 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN878 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-09BWI 19:55 20:14 (+19)BDL 21:15 21:02 (−13)
09-08BWI 19:55 20:19 (+24)BDL 21:15 21:07 (−8)
09-06BWI 21:30 21:45 (+15)BDL 22:45 22:39 (−6)
09-05BWI 19:45 20:33 (+48)BDL 21:10 21:23 (+13)
09-02BWI 19:55 20:23 (+28)BDL 21:10 21:12 (+2)
09-01BWI 19:55 20:38 (+43)BDL 21:10 21:56 (+46)
08-30BWI 21:40 21:53 (+13)BDL 22:55 22:42 (−13)
08-29BWI 19:45 20:34 (+49)BDL 21:05 21:22 (+17)

Aircraft

Recent tails: N8323C, N8696E, N8602F, N8931L.

Board clocks recorded as BWI and BDL published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN878 Baltimore to Hartford on-time performance, measured from the BWI and BDL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN878
How we measure this →