# NTSB Accident DCA22LA201
> **BOEING 737-7H4** · 2022-09-11 · Chicago, IL, USA · NONE
## Event
- **NTSB number:** DCA22LA201
- **Event ID:** 20220915105950
- **Type:** Accident
- **Date:** 2022-09-11
- **Location:** Chicago, IL, USA
- **Coordinates:** 41.9803, -87.909
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 322
- **Total aboard:** 322
## Aircraft
- **Make:** BOEING
- **Model:** 737-7H4
- **Registration:** N963WN
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Southwest Airlines flight crew’s misjudgment of the distance required to safely pass the American Airlines airplane.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DCA22LA201) · AI Analytics · CC0 1.0*