| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | ORD | MDT | 21:17 | 23:37 |
Landed
|
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| Feb 10 | ORD | MDT | 21:06 | 23:21 |
Landed
|
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| Feb 09 | ORD | MDT | 21:39 | 23:51 |
En-Route
|
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| Feb 08 | ORD | MDT | 21:33 | 23:52 |
En-Route
|
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| Feb 06 | ORD | MDT | 21:17 | 23:35 |
Landed
|
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| Feb 05 | ORD | MDT | 21:57 | 00:14 |
Delayed
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| Feb 04 | ORD | MDT | 21:10 | 23:38 |
Landed
|
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| Feb 03 | ORD | MDT | 21:43 | 00:03 |
Landed
|
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| Feb 02 | ORD | MDT | 22:58 | 01:13 |
Delayed
|
Track > |
| Feb 01 | ORD | MDT | 21:57 | 00:24 |
Landed Late
|
Track > |
Alaska Airlines Flight AS4251 connects Chicago, United States to Harrisburg, United States, taking off from Chicago O'Hare International Airport ORD and landing at Harrisburg International Airport MDT.
How long is the AS4251 flight from Chicago to Harrisburg?
The average flight time from Chicago to Harrisburg is 1 hour and 19 minutes. The flight distance is 954 km / 593 miles and the average flight speed is 726 km/h / 451 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4251 Chicago to Harrisburg?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4251 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest AS4251 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 23:37.
How else can the flight AS4251 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4251, AS 4251, ASA 4251.
How often is flight AS4251 delayed?
On average, 60% of all AS4251 flights are delayed. The average delay is 26 minutes.
Can I get compensation for my delayed or cancelled AS4251 flight or baggage issues?
If your AS4251 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 AS4251 Flight Tracker above for more details.
Other flights departing from Chicago ORD: AA3343, AA5000, AA1823, AA3415
Other flights arriving at Harrisburg MDT: AA3343, AA1463, G42867, G41435
All flights connecting Chicago ORD to Harrisburg MDT.
