AA21American Airlines · LHR → DFW
live · 5m ago
Route confirmed American Airlines

AA21 LondonLHR · 10:05 Dallas-Fort WorthDFW · 15:25

AA21 by American Airlines flies from London (LHR) to Dallas-Fort Worth (DFW) for the Wed, Oct 28 departure.

Right nowEn route to Dallas-Fort Worth · off blocks 10:28 · 23 min late
15:31

estimated arrival at DFW · local time · ~4h 55m from now

En routeAA21 · position estimated
LHRLondonDFWDallas-Fort Worth
Estimated from the boardsarr 15:31

Board estimate · gate and arrival times. Off blocks 10:28 · typical taxi-out at LHR ≈ 12.8 min. No receiver coverage over open ocean.

Typical gate push+26 minmedian posted departure
Typical arrival−12 minmedian over 5 operations
Wins back in air~38 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-28
+23 gate · +6 arrival
10-27
+26 gate · −26 arrival
10-26
+35 gate · +8 arrival
10-25
+21 gate · −14 arrival
10-24
−12 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 −12 min · 0 cancelled · 5 operations tracked

The route today

live boards
LHRLondonModerate riskLHR delay board →
DFWDallas-Fort WorthOn-time likelyDFW delay board →
LHR→DFWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
30%Chance of 15+ min delay
1.9%Chance of cancellation
+3 minAvg hub delay right now

Conditions at LHR and DFW 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

London to Dallas-Fort Worth with American Airlines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure is cancelled
1.6%0.6× usual
Chance a departure leaves 60+ min late
13%1.1× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 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 London to Dallas-Fort Worth flights today

same route · American Airlines
AA51departs 08:55
AA9606departs 11:50
AA9608departs 13:30
AA79departs 14:25
AA81departs 16:25
AA9602departs 16:25

If AA21 is cancelled, these are the other American Airlines nonstop flights from London to Dallas-Fort Worth on the same day, with scheduled departure times in LHR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AA21 actually runs

Pro Flight Search has tracked every published board update for AA21 across the LHR and DFW boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min early. Based on 4 confirmed landings · 4/4 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 AA21 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
10-28LHR 10:05 10:28 (+23)DFW 15:25 15:31 (+6)
10-27LHR 10:05 10:31 (+26)DFW 15:25 14:59 (−26)
10-26LHR 10:05 10:40 (+35)DFW 15:25 15:33 (+8)
10-25LHR 10:05 10:26 (+21)DFW 15:25 15:11 (−14)
10-24LHR DFW 15:15 15:03 (−12)

Aircraft

Recent tails: N845MD, N847MF, N852ML, N725AN.

Board clocks recorded as LHR and DFW 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 — AA21 London to Dallas-Fort Worth on-time performance, measured from the LHR and DFW airport boards.

Canonical URL
https://proflightsearch.com/flight/AA21
How we measure this →