DL5644Delta Air Lines · BOS → BWI
live · 49m ago
Route confirmed Delta Air Lines

DL5644 BostonBOS · 15:55 BaltimoreBWI · 17:47

DL5644 by Delta Air Lines flies from Boston (BOS) to Baltimore (BWI) for the Mon, Sep 7 departure.

Right nowLanded in Baltimore · today
18:40

arrived at BWI · 53 min late

Typical gate push+56 minmedian posted departure
Typical arrival+59 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-07
+40 gate · +53 arrival
09-06
+56 gate · +34 arrival
09-05
+45 gate · +59 arrival
09-04
+72 gate · +81 arrival

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

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
BWIBaltimoreOn-time likelyBWI delay board →
BOS→BWIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
1.9%Chance of cancellation
+9 minAvg hub delay right now

Conditions at BOS and BWI 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 Boston to Baltimore flights today

same route · Delta Air Lines
DL5703departs 06:35
DL5668departs 11:10
DL5851departs 19:15

If DL5644 is cancelled, these are the other Delta Air Lines nonstop flights from Boston to Baltimore on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL5644 actually runs

Pro Flight Search has tracked every published board update for DL5644 across the BOS and BWI boards: schedule changes, gate pushes and actual clocks. Usually lands ~62 min late. Based on 4 confirmed landings · 0/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL5644 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
09-07BOS 15:55 16:35 (+40)BWI 17:47 18:40 (+53)
09-06BOS 18:05 19:01 (+56)BWI 20:07 20:41 (+34)
09-05BOS 17:10 17:55 (+45)BWI 19:07 20:06 (+59)
09-04BOS 15:55 17:07 (+72)BWI 17:47 19:08 (+81)

Aircraft

Recent tails: N201JQ, N225JQ, N241JQ.

Board clocks recorded as BOS and BWI 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 — DL5644 Boston to Baltimore on-time performance, measured from the BOS and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/DL5644
How we measure this →