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Route on-time record

ATL to CHS: most on-time flights and the best time to fly

Atlanta (Hartsfield Jackson Atlanta International Airport) to Charleston (Charleston International Airport). 3,209 nonstop flights in Jun 2025 to May 2026, 82% arrived within 15 minutes and 1.8% were cancelled. The most reliable flight number was Delta 1449 at 7:30 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

ATL → CHS

Atlanta to Charleston: 3,209 nonstop flights a year

On time (12 months)

82%

Cancelled

1.8%

avg delay 11 min

Best time to leave

9 AM to noon

92% on time vs 76% 6 to 9 PM

Most reliable airline

Delta

81% chance on time

Check ATL to CHS fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Delta 1449

    7:30 AM → 8:41 AM1h 11m nonstop

    Local times, typical schedule. Last flown 2026-05-06.

    90%

    chance on time

    On time (history)
    96%
    Cancelled
    3.8%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (50 flights, Jun 2025 to May 2026).
    • Cancelled 3.8% of the time (2 of 52).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
    • Short track record (50 flights), so its score leans on the airline's record at this hour.

    Limited track record · 50 flights

    Find Delta 1449 fares Opens this date on Aviasales

  2. #2 · Delta 3091

    8:32 AM → 9:44 AM1h 12m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    90%

    chance on time

    On time (history)
    91%
    Cancelled
    1.2%
    Avg arrival delay
    6 min
    • Arrived on time 91% of the time (339 flights, Jun 2025 to May 2026).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Strong track record · 339 flights

    Find Delta 3091 fares Opens this date on Aviasales

  3. #3 · Delta 3107

    10:10 AM → 11:24 AM1h 14m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    90%

    chance on time

    On time (history)
    92%
    Cancelled
    1.9%
    Avg arrival delay
    6 min
    • Arrived on time 92% of the time (354 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 92% on time; 6 to 9 PM: 76%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Strong track record · 354 flights

    Find Delta 3107 fares Opens this date on Aviasales

  4. #4 · Delta 2179

    12:15 PM → 1:21 PM1h 08m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    84%

    chance on time

    On time (history)
    86%
    Cancelled
    2.0%
    Avg arrival delay
    8 min
    • Arrived on time 86% of the time (347 flights, Jun 2025 to May 2026).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Strong track record · 347 flights

    Find Delta 2179 fares Opens this date on Aviasales

  5. #5 · Delta 2768

    9:54 PM → 11:02 PM1h 08m nonstop

    Local times, typical schedule. Last flown 2026-05-04.

    83%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 100% of the time (11 flights, Jun 2025 to May 2026).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find Delta 2768 fares Opens this date on Aviasales

  6. #6 · Delta 1381

    2:41 PM → 3:46 PM1h 08m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    79%

    chance on time

    On time (history)
    80%
    Cancelled
    2.3%
    Avg arrival delay
    15 min
    • Arrived on time 80% of the time (260 flights, Jun 2025 to May 2026).
    • Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 260 flights

    Find Delta 1381 fares Opens this date on Aviasales

  7. #7 · Delta 2493

    7:32 PM → 8:41 PM1h 09m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    79%

    chance on time

    On time (history)
    80%
    Cancelled
    2.2%
    Avg arrival delay
    14 min
    • Arrived on time 80% of the time (307 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 76% on time; 9 AM to noon: 92%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Strong track record · 307 flights

    Find Delta 2493 fares Opens this date on Aviasales

  8. #8 · Delta 3189

    3:59 PM → 5:10 PM1h 11m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 2174; its record covers all of them.

    78%

    chance on time

    On time (history)
    79%
    Cancelled
    1.3%
    Avg arrival delay
    14 min
    • Arrived on time 79% of the time (316 flights, Jun 2025 to May 2026).
    • Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 316 flights

    Find Delta 3189 fares Opens this date on Aviasales

  9. #9 · Delta 3179

    5:50 PM → 7:02 PM1h 07m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 3200; its record covers all of them.

    77%

    chance on time

    On time (history)
    79%
    Cancelled
    1.9%
    Avg arrival delay
    12 min
    • Arrived on time 79% of the time (155 flights, Jun 2025 to May 2026).
    • Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Moderate track record · 155 flights

    Find Delta 3179 fares Opens this date on Aviasales

  10. #10 · Delta 2850

    10:50 PM → 11:59 PM1h 09m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    75%

    chance on time

    On time (history)
    77%
    Cancelled
    2.5%
    Avg arrival delay
    13 min
    • Arrived on time 77% of the time (355 flights, Jun 2025 to May 2026).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Strong track record · 355 flights

    Find Delta 2850 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines81%

    3,206 flights · 82% on time as flown · 1.8% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM91%

    379 flights · avg delay 6 min

  • 9 AM to noon92%

    408 flights · avg delay 6 min

  • Noon to 3 PM84%

    685 flights · avg delay 10 min

  • 3 to 6 PM78%

    576 flights · avg delay 13 min

  • 6 to 9 PM76%

    624 flights · avg delay 14 min

  • After 9 PM77%

    537 flights · avg delay 15 min

Best day: Tuesday (87%). Worst: Sunday (78%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
82
F
84
M
84
A
86
M
76
J
75
J
65
A
81
S
89
O
90
N
92
D
86

What delays this route

  • Airline (crew, maintenance, boarding)51%
  • Late-arriving aircraft26%
  • Air traffic control and airport volume18%
  • Severe weather5%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

ATL to CHS questions

What time of day is best to fly ATL to CHS?
9 AM to noon: 92% of flights arrived on time, against 76% for departures 6 to 9 PM.
Which airline is most on time from ATL to CHS?
Delta, with a season-adjusted 81% chance of operating and arriving on time over 3,206 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on ATL to CHS?
July (65% on time); the best was November (92%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from ATL

Live status: FAA delays and ground stops