| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 04 | DFW | STL | 20:18 | 21:38 |
Landed
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| Aug 03 | DFW | STL | 20:03 | 21:22 |
Landed
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| Aug 02 | DFW | STL | 20:00 | 21:19 |
Landed
|
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| Aug 01 | DFW | STL | 20:05 | 21:27 |
Landed
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| Jul 31 | DFW | STL | 20:38 | 21:52 |
Landed
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| Jul 30 | DFW | STL | 20:11 | 21:28 |
Landed
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| Jul 29 | DFW | STL | 20:19 | 21:42 |
Landed
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| Jul 28 | DFW | STL | 20:41 | 22:04 |
Landed Late
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| Jul 27 | DFW | STL | 20:36 | 21:57 |
Landed
|
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| Jul 26 | DFW | STL | 20:24 | 21:51 |
Landed
|
Track > |
Alaska Airlines Flight AS4121 connects Dallas, United States to St. Louis, United States, taking off from Dallas Fort Worth International Airport DFW and landing at St. Louis Lambert International Airport STL.
How long is the AS4121 flight from Dallas to St. Louis?
The average flight time from Dallas to St. Louis is 1 hour and 20 minutes. The flight distance is 885 km / 550 miles and the average flight speed is 661 km/h / 411 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS4121 Dallas to St. Louis?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS4121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS4121 arriving at?
Flight AS4121 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest AS4121 flight?
The latest flight took off on Wednesday, August 5th, 2026 with the flight status being Landed on 21:38.
How else can the flight AS4121 be referenced as?
This Alaska Airlines flight can also be referenced as ASA4121, AS 4121, ASA 4121.
How often is flight AS4121 delayed?
On average, 40% of all AS4121 flights are delayed. The average delay is 8 minutes.
Can I get compensation for my delayed or cancelled AS4121 flight or baggage issues?
If your AS4121 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 AS4121 Flight Tracker above for more details.
Other flights departing from Dallas DFW: AA1010, AA2327, MQ3619, MQ4291
Other flights arriving at St. Louis STL: AA1010, WN1559, UA2144, WN1574
All flights connecting Dallas DFW to St. Louis STL.
