Delta Air LinesDL
Flights DL9951 varies Tu We
live
Direct flights from Atlanta (ATL) to Clinton (CSM): 2 nonstop departures observed each week across 1 airline. The median arrival is 98 minutes late. No cancellations were recorded across the 1 tracked flight. The nonstop covers 1,366 km, an estimated 2 hours 15 minutes in the air. Measured by Pro Flight Search from live flight boards at Atlanta and Clinton. Updated 9 September 2026 at 19:03 UTC.
ATL
Atlanta
heavy · +30
CSM
Clinton
tracking
1,366 km · ~2h 15m est.
Under pressure · 1 airline · 2x weekly · nonstop
60 / 100
route health from live ATL and CSM delay boards
Median arrival delay is +98 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+98 minacross the last 1 operated legs
Flight time~2h 15mestimated from route distance
Weekly departures2x1 direct airline on the leg
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Atlanta to Clinton route actually runs
Pro Flight Search records official board updates for nonstop ATL to CSM flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Atlanta (ATL) to Clinton (CSM) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ATL-CSM
ATL to CSM questions
Is ATL–CSM running on time right now?
Some delays possible. The departure side at ATL is the weaker end, route health score 60/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from ATL to CSM?
Great-circle distance is 1,366 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 126–147 min gate-to-gate on this route.
How often does ATL–CSM fly?
Delta Air Lines runs the route with about 2 flights a week (tue, wed). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at ATL and arrival-side delay at CSM, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
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