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U.S. marketing air carriers on-time performance (percent)

0.778 latest (2026-05-01) fraction of flights arriving on time (0-1) unit monthly frequency United States geography

Coverage 2018-01-01 to 2026-05-01 · series id bts-socrata/crem-w557:u_s_marketing_air_carriers_on_time_performance_percent

Recent values

PeriodValueRevision
2026-05-01 0.778 1
2026-04-01 0.792 1
2026-03-01 0.734 1
2026-02-01 0.785 1
2026-01-01 0.753 1
2025-12-01 0.717 1
2025-11-01 0.773 1
2025-10-01 0.795 1
2025-09-01 0.831 1
2025-08-01 0.768 1
2025-07-01 0.692 1
2025-06-01 0.701 1

Verification history

CheckResultExpectedActualWhen
freshness pass 19h ago
freshness pass 43h ago
freshness pass 2d ago
freshness pass 3d ago
freshness pass 4d ago

License and citation

License public-domain (terms). Source: U.S. Bureau of Transportation Statistics, U.S. Department of Transportation (data.bts.gov). U.S. federal government work, public domain.

Official table: Monthly Transportation Statistics · U.S. Department of Transportation, Bureau of Transportation Statistics

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curl "https://starwell.dev/api/starwell/v1/sources/bts-socrata/series/crem-w557:u_s_marketing_air_carriers_on_time_performance_percent/observations?latest=12"

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<img src="https://starwell.dev/sources/bts-socrata/crem-w557:u_s_marketing_air_carriers_on_time_performance_percent/chart.svg"
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Verification status for U.S. marketing air carriers on-time performance (percent)

[![Verified via Starwell](https://starwell.dev/sources/bts-socrata/crem-w557:u_s_marketing_air_carriers_on_time_performance_percent/badge.svg)](https://starwell.dev/sources/bts-socrata/crem-w557:u_s_marketing_air_carriers_on_time_performance_percent)
curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
  -H "Authorization: Bearer dlk_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"question": "What is the latest value?", "series": [{"source": "bts-socrata", "seriesId": "crem-w557:u_s_marketing_air_carriers_on_time_performance_percent"}]}'

Data reads need no key; answers do. Keys are free at /account; a keyless sample lives at GET /api/starwell/v1/answer/demo.