AA4637American Airlines · PHL → IND
live · 11m ago
Route confirmed American Airlines

AA4637 PhiladelphiaPHL · 21:37 IndianapolisIND · 19:57

AA4637 by American Airlines flies from Philadelphia (PHL) to Indianapolis (IND) for the Sat, Oct 10 departure.

Right nowEn route to Indianapolis · off blocks 21:32 · 5 min early
19:27

estimated arrival at IND · local time · ~82 min from now

En routeAA4637 · position estimated
PHLPhiladelphiaINDIndianapolis
Estimated from the boardsarr 19:27

Board estimate · gate and arrival times. Off blocks 21:32 · typical taxi-out at PHL ≈ 7 min.

Typical gate push−5 minmedian posted departure
Typical arrival−28 minmedian over 6 operations
Wins back in air~23 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+34+69+103 min
10-10
−5 gate
10-09
−3 gate · −30 arrival
10-08
−5 gate · −31 arrival
10-07
−11 gate · −5 arrival
10-06
−4 gate · −35 arrival
10-05
−9 gate · −28 arrival
10-04
+103 gate · +93 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 −28 min · 0 cancelled · 7 operations tracked

The route today

live boards
PHLPhiladelphiaOn-time likelyPHL delay board →
INDIndianapolisOn-time likelyIND delay board →
PHL→INDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
42%Chance of 15+ min delay
1.5%Chance of cancellation

Conditions at PHL and IND 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Indianapolis flights today

same route · American Airlines
AA682departs 01:50
AA9932departs 12:15
AA4796departs 12:27
AA1436departs 12:30
AA4615departs 12:35
AA5240departs 14:40

If AA4637 is cancelled, these are the other American Airlines nonstop flights from Philadelphia to Indianapolis 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 AA4637 actually runs

Pro Flight Search has tracked every published board update for AA4637 across the PHL and IND boards: schedule changes, gate pushes and actual clocks. Usually lands ~28 min early. 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 AA4637 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
10-10PHL 21:37 21:32 (−5)IND
10-09PHL 21:37 21:34 (−3)IND 19:57 19:27 (−30)
10-08PHL 21:37 21:32 (−5)IND 19:57 19:26 (−31)
10-07PHL 21:37 21:26 (−11)IND 19:57 19:52 (−5)
10-06PHL 21:37 21:33 (−4)IND 19:57 19:22 (−35)
10-05PHL 21:37 21:28 (−9)IND 19:57 19:29 (−28)
10-04PHL 22:36 00:19 (+103)IND 20:59 22:32 (+93)

Aircraft

Recent tails: N421YX, N414YX, N118HQ, N437YX.

Board clocks recorded as PHL and IND 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 — AA4637 Philadelphia to Indianapolis on-time performance, measured from the PHL and IND airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4637
How we measure this →