KL 5121 Miami to Atlanta Flight Status

KLM Flight KL5121 from Miami International Airport MIA to Atlanta Hartsfield-Jackson International Airport ATL is not scheduled for today September 13th, 2026.
The last time the flight was scheduled was on September 7th, 2026.
Check the table below for KL5121's most recent flight history:

KL 5121 Flight Status & Schedule

Date Departure Arrival Status
Sep 07 19:01 18:18
En-Route
Track >
Sep 06 19:08 18:18
En-Route
Track >
Sep 05 18:07 18:18
Unknown
Track >
Sep 04 16:21 17:52
Landed
Track >
Sep 03 17:25 18:53
Landed Late
Track >

KLM KL 5121 Miami to Atlanta Flight Information

KLM Flight KL5121 connects Miami, United States to Atlanta, United States, taking off from Miami International Airport MIA and landing at Atlanta Hartsfield-Jackson International Airport ATL.

How long is the KL5121 flight from Miami to Atlanta?

The average flight time from Miami to Atlanta is 1 hour and 43 minutes. The flight distance is 959 km / 596 miles and the average flight speed is 535 km/h / 333 mph.

How many KL5121 flights are operated per week?

1 flight per week. The flight KL5121 is operated on Monday.

What is the On-Time Performance (OTP) of KLM Flight KL5121 Miami to Atlanta?

The Airportia On-Time Performance Rating for KLM Flight KL5121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight KL5121 arriving at?

Flight KL5121 arrives at Atlanta Hartsfield-Jackson International Airport (ATL) Terminal S.

When was the latest KL5121 flight?

The latest flight took off on Monday, September 7th, 2026 with the flight status being En-Route on 18:18.

How else can the flight KL5121 be referenced as?

This KLM flight can also be referenced as KLM5121, KL 5121, KLM 5121.

How often is flight KL5121 delayed?

On average, 20% of all KL5121 flights are delayed. The average delay is 40 minutes.

Can I get compensation for my delayed or cancelled KL5121 flight or baggage issues?

If your KL5121 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our KL5121 Flight Tracker above for more details.

KL5121 Flight Delay Compensation up to 600€!

Claim compensation for your flight delay or cancellation!

Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

Check Compensation >

KL5121 and Miami MIA to Atlanta ATL Flights

Other flights departing from Miami MIA: AA985, DL1579, WN2862, 2I7506

Other flights arriving at Atlanta ATL: DL1579, DL2131, DL3032, DL2438

All flights connecting Miami MIA to Atlanta ATL.

KL5121 KLM Flight: Miami to Atlanta Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.