AA4340American Airlines · LGA → STL
live · 33m ago
Route confirmed American Airlines

AA4340 New YorkLGA · 06:54 St LouisSTL · 08:46

AA4340 by American Airlines flies from New York (LGA) to St Louis (STL) for the Wed, Nov 4 departure.

Right nowEn route to St Louis · off blocks 06:54 · on schedule
En route

en route from LGA to STL

En routeAA4340 · position estimated
LGANew YorkSTLSt Louis
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 06:54 · typical taxi-out at LGA ≈ 12.5 min.

⚖ AA4340 typically leaves −7 and lands −35. The air wins minutes back.
Typical gate push−7 minmedian posted departure
Typical arrival−35 minmedian over 11 operations
Wins back in air~28 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 11tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-04
+0 gate · −12 arrival
10-31
−6 gate · −35 arrival
10-30
−6 gate · −35 arrival
10-29
−10 gate · −34 arrival
10-28
+0 gate · −12 arrival
10-27
−7 gate · −9 arrival
10-26
−1 gate · −46 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 −35 min · 0 cancelled · 11 operations tracked

The route today

live boards
LGANew YorkOn-time likelyLGA delay board →
STLSt LouisHigh riskSTL delay board →
LGA→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
1.8%Chance of cancellation
+11 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying MVFR (marginal visual). 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 New York

Forecast

Thu 5 Nov, local date

High22°Clikely 20°C to 23°C
Low17°Clikely 15°C to 19°C
  • 74% chance of rain

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 St Louis

Forecast

Thu 5 Nov, local date

High16°Clikely 13°C to 19°C
Low9°Clikely 7°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.

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 New York to St Louis flights today

same route · American Airlines
AA4608departs 13:52
AA4728departs 18:59

If AA4340 is cancelled, these are the other American Airlines nonstop flights from New York to St Louis on the same day, with scheduled departure times in LGA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AA4340 actually runs

Pro Flight Search has tracked every published board update for AA4340 across the LGA and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~28 min early. Based on 11 confirmed landings · 11/11 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 AA4340 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
11-04LGA 06:54 (+0)STL 08:46 08:34 (−12)
10-31LGA 06:54 06:48 (−6)STL 08:46 08:11 (−35)
10-30LGA 06:54 06:48 (−6)STL 08:46 08:11 (−35)
10-29LGA 06:54 06:44 (−10)STL 08:46 08:12 (−34)
10-28LGA 06:54 (+0)STL 08:46 08:34 (−12)
10-27LGA 06:54 06:47 (−7)STL 08:46 08:37 (−9)
10-26LGA 06:54 06:53 (−1)STL 08:46 08:00 (−46)
10-24LGA 06:54 06:41 (−13)STL 08:46 07:52 (−54)
10-23LGA 06:54 06:46 (−8)STL 08:46 07:59 (−47)
10-22LGA 06:54 06:44 (−10)STL 08:46 08:01 (−45)
10-21LGA 06:54 06:45 (−9)STL 08:46 07:56 (−50)

Aircraft

Recent tails: N133HQ, N435YX, N102HQ, N405YX.

Board clocks recorded as LGA and STL published them.

Planning around AA4340? 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: AA4340 New York to St Louis on-time performance, measured from the LGA and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4340
How we measure this →