| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | YYZ | ORD | 17:33 | 17:52 |
Landed
|
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| Sep 23 | YYZ | ORD | 17:41 | 18:00 |
Landed
|
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| Sep 22 | YYZ | ORD | 17:34 | 17:45 |
Landed
|
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| Sep 21 | YYZ | ORD | 17:37 | 17:51 |
Landed
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| Sep 20 | YYZ | ORD | 18:34 | 18:49 |
Landed Late
|
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| Sep 19 | YYZ | ORD | 17:28 | 17:39 |
Landed
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| Sep 18 | YYZ | ORD | 17:51 | 18:12 |
Landed
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| Sep 17 | YYZ | ORD | 17:55 | 18:07 |
Landed
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| Sep 16 | YYZ | ORD | 17:27 | 17:37 |
Landed
|
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| Sep 15 | YYZ | ORD | 17:41 | 17:51 |
Landed
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United Airlines Flight UA2121 connects Toronto, Canada to Chicago, United States, taking off from Toronto Pearson International Airport YYZ and landing at Chicago O'Hare International Airport ORD.
How long is the UA2121 flight from Toronto to Chicago?
The average flight time from Toronto to Chicago is 1 hour and 14 minutes. The flight distance is 700 km / 435 miles and the average flight speed is 568 km/h / 353 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA2121 Toronto to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA2121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2121 arriving at?
Flight UA2121 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA2121 flight?
The latest flight took off on Wednesday, September 24th, 2025 with the flight status being Landed on 17:52.
How else can the flight UA2121 be referenced as?
This United Airlines flight can also be referenced as UAL2121, UA 2121, UAL 2121.
How often is flight UA2121 delayed?
On average, 10% of all UA2121 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled UA2121 flight or baggage issues?
If your UA2121 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 UA2121 Flight Tracker above for more details.
Flight UA2121 is code-shared by 2 airlines using the flight numbers AC4990, NZ9810
Other flights departing from Toronto YYZ: WS489, RV1660, 5Y8985, TS531
Other flights arriving at Chicago ORD: UA1229, UA3657, AA4172, AA6433
All flights connecting Toronto YYZ to Chicago ORD.
