DL1540Delta Air Lines · PHL → DTW
live · 5m ago
Route confirmed Delta Air Lines

DL1540 PhiladelphiaPHL · 10:05 DetroitDTW · 07:43

DL1540 by Delta Air Lines flies from Philadelphia (PHL) to Detroit (DTW) for the Fri, Aug 21 departure.

Right nowScheduled · gate D12
14:15

departs PHL · 250 min late

⚖ DL1540 typically leaves −1 and lands −13. The air wins minutes back.
Typical gate push−1 minmedian posted departure
Typical arrival−13 minmedian over 14 operations
Wins back in air~12 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
08-20
−1 gate · −4 arrival
08-19
−1 gate · −15 arrival
08-18
−8 gate · −15 arrival
08-17
+0 gate · −23 arrival
08-16
+0 gate · −13 arrival
08-15
−8 gate · −7 arrival
08-14
−4 gate · −18 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 −13 min · 0 cancelled · 14 operations tracked

The route today

live boards
PHLPhiladelphiaModerate riskPHL delay board →
DTWDetroitOn-time likelyDTW delay board →
PHL→DTWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
49%Chance of 15+ min delay
0.6%Chance of cancellation
+28 minAvg hub delay right now

Driven mainly by PHL (Philadelphia), 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.

Other Philadelphia to Detroit flights today

same route · Delta Air Lines
DL1686departs 00:15
DL2968departs 09:40
DL3888departs 09:40
DL2331departs 12:36
DL1391departs 17:20

If DL1540 is cancelled, these are the other Delta Air Lines nonstop flights from Philadelphia to Detroit on the same day, with scheduled departure times in PHL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL1540 actually runs

Pro Flight Search has tracked every published board update for DL1540 across the PHL and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 13 confirmed landings · 11/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL1540 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
08-20PHL 10:05 10:04 (−1)DTW 07:43 07:39 (−4)
08-19PHL 10:05 10:04 (−1)DTW 07:43 07:28 (−15)
08-18PHL 10:05 09:57 (−8)DTW 07:43 07:28 (−15)
08-17PHL 10:05 (+0)DTW 07:43 07:20 (−23)
08-16PHL 10:05 (+0)DTW 07:43 07:30 (−13)
08-15PHL 10:05 09:57 (−8)DTW 07:43 07:36 (−7)
08-14PHL 10:05 10:01 (−4)DTW 07:43 07:25 (−18)
08-13PHL 10:05 10:04 (−1)DTW 07:43 07:39 (−4)
08-12PHL 10:05 10:00 (−5)DTW 07:43 07:35 (−8)
08-11PHL 10:05 11:43 (+98)DTW 07:43 07:25 (−18)
08-10PHL 10:05 10:20 (+15)DTW 07:43 09:59 (+136)
08-09PHL 10:05 10:01 (−4)DTW 07:43 08:08 (+25)
08-08PHL 10:05 12:19 (+134)DTW 07:43 07:23 (−20)
08-07PHL 10:05 10:03 (−2)DTW 07:43 07:24 (−19)

Aircraft

Recent tails: N603AT, N896AT, N995AT, N899AT.

Board clocks recorded as PHL and DTW published them.

Planning around DL1540? 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 — DL1540 Philadelphia to Detroit on-time performance, measured from the PHL and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/DL1540
How we measure this →