| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 18 | ORD | AMS | 17:56 | 08:08 |
Delayed
|
Track > |
| Feb 15 | ORD | AMS | 19:40 | 09:57 |
Delayed
|
Track > |
Kalitta Air Flight K4521 connects Chicago, United States to Amsterdam, Netherlands, taking off from Chicago O'Hare International Airport ORD and landing at Amsterdam Schiphol Airport AMS.
How long is the K4521 flight from Chicago to Amsterdam?
The average flight time from Chicago to Amsterdam is 7 hours and 14 minutes. The flight distance is 6612 km / 4108 miles and the average flight speed is 913 km/h / 567 mph.
What is the On-Time Performance (OTP) of Kalitta Air Flight K4521 Chicago to Amsterdam?
The Airportia On-Time Performance Rating for Kalitta Air Flight K4521 is 3.2/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest K4521 flight?
The latest flight took off on Thursday, February 19th, 2026 with the flight status being En-Route on 08:08.
How else can the flight K4521 be referenced as?
This Kalitta Air flight can also be referenced as CKS521, K40521, K4 521, CKS 521.
How often is flight K4521 delayed?
On average, 100% of all K4521 flights are delayed. The average delay is 108 minutes.
Can I get compensation for my delayed or cancelled K4521 flight or baggage issues?
If your K4521 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 K4521 Flight Tracker above for more details.
Other flights departing from Chicago ORD: OO6360, AA1878, LF3096, OO4963
Other flights arriving at Amsterdam AMS: KL794, MP9422, MP8932, KC903
All flights connecting Chicago ORD to Amsterdam AMS.