DL4681Delta Air Lines · BHM → IAH
live · 15m ago
Route confirmed Delta Air Lines

DL4681 BirminghamBHM · 11:00 HoustonIAH

DL4681 by Delta Air Lines flies from Birmingham (BHM) to Houston (IAH).

Right nowNext departure tomorrow Operates daily
09:05

scheduled from BHM

Typical gate push+10 minmedian posted departure

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
11-08
+15 gate
11-07
+0 gate
11-05
+20 gate
11-03
+6 gate
11-02
+8 gate
11-01
+11 gate

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

0 cancelled · 6 operations tracked

The route today

live boards
BHMBirminghamOn-time likelyBHM delay board →
IAHHoustonOn-time likelyIAH delay board →
BHM→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.2%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at BHM and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 at BHM

Forecast

Thu 12 Nov, local date

High20°Clikely 19°C to 21°C
Low9°Clikely 8°C to 11°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at IAH

Forecast

Thu 12 Nov, local date

High26°Clikely 24°C to 27°C
Low14°Clikely 13°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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.

How DL4681 actually runs

Pro Flight Search has tracked every published board update for DL4681 across the BHM and IAH boards: schedule changes, gate pushes and actual clocks. Usually departs ~10 min late. Based on 6 confirmed departures · 5/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL4681 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
11-08BHM 11:00 11:15 (+15)IAH
11-07BHM 11:00 (+0)IAH
11-05BHM 11:00 11:20 (+20)IAH
11-03BHM 11:00 11:06 (+6)IAH
11-02BHM 11:00 11:08 (+8)IAH
11-01BHM 11:00 11:11 (+11)IAH

Aircraft

Recent tails: N149SY, N143SY, N139SY, N117SY.

Board clocks recorded as BHM and IAH 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: DL4681 Birmingham to Houston on-time performance, measured from the BHM and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4681
How we measure this →