DL571Delta Air Lines · BOS → SAN
live · 12m ago
Route confirmed Delta Air Lines

DL571 BostonBOS · 17:20 San DiegoSAN · 20:35

DL571 by Delta Air Lines flies from Boston (BOS) to San Diego (SAN).

Right nowNext departure today Operates daily
17:20

scheduled from BOS

⚖ DL571 typically leaves +39 and lands +2. The air wins minutes back.
Typical gate push+39 minmedian posted departure
Typical arrival+2 minmedian over 8 operations
Wins back in air~37 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
08-18
+39 gate · −1 arrival
08-17
+47 gate · +4 arrival
08-16
+51 gate · +11 arrival
08-15
+11 gate · −20 arrival
08-14
+85 gate · +37 arrival
08-13
+14 gate · −6 arrival
08-12
+35 gate · +2 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 · 9 operations tracked

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
SANSan DiegoHigh riskSAN delay board →
BOS→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
54%Chance of 15+ min delay
2.7%Chance of cancellation
+25 minAvg hub delay right now

Driven mainly by BOS (Boston), currently flying MVFR (marginal visual). 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.

How DL571 actually runs

Pro Flight Search has tracked every published board update for DL571 across the BOS and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 5 confirmed landings · 4/5 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 DL571 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
08-18BOS 17:20 17:59 (+39)SAN 20:35 20:34 (−1)
08-17BOS 17:20 18:07 (+47)SAN 20:35 20:39 (+4)
08-16BOS 17:20 18:11 (+51)SAN 20:35 20:46 (+11)
08-15BOS 17:20 17:31 (+11)SAN 20:35 20:15 (−20)
08-14BOS 17:20 18:45 (+85)SAN 20:35 21:12 (+37)
08-13BOS 17:20 17:34 (+14)SAN 20:35 20:29 (−6)
08-12BOS 17:20 17:55 (+35)SAN 20:35 20:37 (+2)
08-11BOS 17:20 17:59 (+39)SAN 20:35 20:34 (−1)
08-10BOS 17:20 18:06 (+46)SAN

Aircraft

Recent tails: N505DZ, N526DE, N504DZ, N540DE.

Board clocks recorded as BOS and SAN published them.

Planning around DL571? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — DL571 Boston to San Diego on-time performance, measured from the BOS and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/DL571
How we measure this →