DL1020Delta Air Lines · DCA → BOS
live · 17m ago
Route confirmed Delta Air Lines

DL1020 WashingtonDCA · 06:59 BostonBOS · 08:44

DL1020 by Delta Air Lines flies from Washington (DCA) to Boston (BOS) for the Wed, Oct 28 departure.

Right nowExpected in Boston · today
08:28

arrival expected at BOS · 16 min early

Typical gate push+23 minmedian posted departure
Typical arrival−15 minmedian over 7 operations
Wins back in air~38 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
10-28
+23 gate · −16 arrival
10-27
+23 gate · −2 arrival
10-26
+23 gate · −3 arrival
10-25
+5 gate · −15 arrival
10-24
+27 gate · −14 arrival
10-23
+13 gate · −15 arrival
10-22
−19 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 −15 min · 0 cancelled · 7 operations tracked

The route today

live boards
DCAWashingtonOn-time likelyDCA delay board →
BOSBostonOn-time likelyBOS delay board →
DCA→BOSevery 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
4.9%Chance of cancellation
+7 minAvg hub delay right now

Conditions at DCA and BOS 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 →

Tomorrow on this route

Forecast

Washington to Boston with Delta Air Lines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
17%0.9× usual

Forecast weather: 37% chance of fog at Washington

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 8 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Washington to Boston flights today

same route · Delta Air Lines
DL5710departs 06:00
DL4764departs 06:34
DL5687departs 08:40
DL5775departs 08:50
DL2287departs 09:00
DL4505departs 10:06

If DL1020 is cancelled, these are the other Delta Air Lines nonstop flights from Washington to Boston on the same day, with scheduled departure times in DCA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL1020 actually runs

Pro Flight Search has tracked every published board update for DL1020 across the DCA and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 3 confirmed landings · 3/3 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL1020 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
10-28DCA 06:59 07:22 (+23)BOS 08:44 08:28 (−16)
10-27DCA 06:59 07:22 (+23)BOS 08:44 08:42 (−2)
10-26DCA 06:59 07:22 (+23)BOS 08:44 08:41 (−3)
10-25DCA 06:59 07:04 (+5)BOS 08:44 08:29 (−15)
10-24DCA 07:00 07:27 (+27)BOS 08:45 08:31 (−14)
10-23DCA 06:59 07:12 (+13)BOS 08:44 08:29 (−15)
10-22DCA BOS 08:44 08:25 (−19)

Aircraft

Recent tails: N123DQ, N106DU, N141DU, N133DU.

Board clocks recorded as DCA and BOS 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 — DL1020 Washington to Boston on-time performance, measured from the DCA and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/DL1020
How we measure this →