Narrative:

It was a beautiful clear day with light winds. We were on final approach inside the FAF and cleared to land by the tower. When we were on approximately 2.5 mile final; ATC cleared a 737 for takeoff on runway 22L. The first officer (first officer) immediately asked me if they could do that; before I could fully respond the 767 behind us approaching the FAF asked for landing clearance. That transmission apparently stepped on ATC's transmission telling us what we believe was a go-around; all we heard was [callsign]. That was followed immediately by ATC telling the 737 to abort his takeoff. That transmission was also partially blocked by the 767 again asking for landing clearance; but enough of that transmission came through that the 737 understood it to be an abort. They confirmed with the tower and complied. The tower then called us again and I replied. Their response was continue (or disregard I don't remember the exact words). We landed without further incident.air traffic control clearly made an error in clearing the 737 for takeoff when we were on short final. It was not an undesired aircraft state as we were stabilized and cleared to land. Radio discipline was also a threat with the interruption by the aircraft behind us. As the 737 aborted his takeoff I saw him pass just south of our flight path in executing his takeoff abort. I did not perceive him as a threat to safety.the greatest lesson is the realization that ATC is prone to mistakes even under the best of weather and time of day conditions.

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Original NASA ASRS Text

Title: An air carrier aircraft on final approach to ORD 10/28 was cleared to land but ATC cleared an aircraft for takeoff. A blocked transmission; which may have been a go-around call; was missed so ATC ordered the aircraft rolling to abort.

Narrative: It was a beautiful clear day with light winds. We were on final approach inside the FAF and cleared to land by the tower. When we were on approximately 2.5 mile final; ATC cleared a 737 for takeoff on Runway 22L. The FO (First Officer) immediately asked me if they could do that; before I could fully respond the 767 behind us approaching the FAF asked for landing clearance. That transmission apparently stepped on ATC's transmission telling us what we believe was a go-around; all we heard was [callsign]. That was followed immediately by ATC telling the 737 to abort his takeoff. That transmission was also partially blocked by the 767 again asking for landing clearance; but enough of that transmission came through that the 737 understood it to be an abort. They confirmed with the tower and complied. The tower then called us again and I replied. Their response was continue (or disregard I don't remember the exact words). We landed without further incident.Air Traffic Control clearly made an error in clearing the 737 for takeoff when we were on short final. It was not an undesired aircraft state as we were stabilized and cleared to land. Radio discipline was also a threat with the interruption by the aircraft behind us. As the 737 aborted his takeoff I saw him pass just south of our flight path in executing his takeoff abort. I did not perceive him as a threat to safety.The greatest lesson is the realization that ATC is prone to mistakes even under the best of weather and time of day conditions.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.