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Route on-time record

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

Atlanta (Hartsfield Jackson Atlanta International Airport) to Lexington (Blue Grass Airport). 2,038 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 1.9% were cancelled. The most reliable flight number was Delta 3023 at 8:05 AM.

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

ATL → LEX

Atlanta to Lexington: 2,038 nonstop flights a year

On time (12 months)

83%

Cancelled

1.9%

avg delay 12 min

Best time to leave

Before 9 AM

91% on time vs 72% 6 to 9 PM

Most reliable airline

Delta

81% chance on time

Check ATL to LEX 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 3023

    8:05 AM → 9:20 AM1h 15m nonstop

    Local times, typical schedule. Last flown 2026-04-12.

    89%

    chance on time

    On time (history)
    94%
    Cancelled
    2.8%
    Avg arrival delay
    1 min
    • Arrived on time 94% of the time (35 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 72%).
    • 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 (35 flights), so its score leans on the airline's record at this hour.

    Limited track record · 35 flights

    Find Delta 3023 fares Opens this date on Aviasales

  2. #2 · Delta 2232

    8:20 AM → 9:35 AM1h 16m nonstop

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

    88%

    chance on time

    On time (history)
    90%
    Cancelled
    3.2%
    Avg arrival delay
    7 min
    • Arrived on time 90% of the time (91 flights, Jun 2025 to May 2026).
    • Cancelled 3.2% of the time (3 of 94).
    • Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 72%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Moderate track record · 91 flights

    Find Delta 2232 fares Opens this date on Aviasales

  3. #3 · Delta 2889

    10:40 AM → 11:54 AM1h 14m nonstop

    Local times, typical schedule. Last flown 2026-04-10.

    87%

    chance on time

    On time (history)
    93%
    Cancelled
    3.2%
    Avg arrival delay
    13 min
    • Arrived on time 93% of the time (30 flights, Jun 2025 to May 2026).
    • Cancelled 3.2% of the time (1 of 31).
    • 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 (30 flights), so its score leans on the airline's record at this hour.

    Limited track record · 30 flights

    Find Delta 2889 fares Opens this date on Aviasales

  4. #4 · Delta 3096

    11:05 AM → 12:19 PM1h 12m nonstop

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

    86%

    chance on time

    On time (history)
    88%
    Cancelled
    1.7%
    Avg arrival delay
    9 min
    • Arrived on time 88% of the time (114 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).

    Moderate track record · 114 flights

    Find Delta 3096 fares Opens this date on Aviasales

  5. #5 · Delta 3078

    1:34 PM → 2:46 PM1h 12m nonstop

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

    80%

    chance on time

    On time (history)
    81%
    Cancelled
    3.2%
    Avg arrival delay
    11 min
    • Arrived on time 81% of the time (90 flights, Jun 2025 to May 2026).
    • Cancelled 3.2% of the time (3 of 93).
    • 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 · 90 flights

    Find Delta 3078 fares Opens this date on Aviasales

  6. #6 · Delta 3143

    3:59 PM → 5:13 PM1h 14m nonstop

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

    79%

    chance on time

    On time (history)
    82%
    Cancelled
    5.0%
    Avg arrival delay
    13 min
    • Arrived on time 82% of the time (76 flights, Jun 2025 to May 2026).
    • Cancelled 5.0% of the time (4 of 80).
    • 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 · 76 flights

    Find Delta 3143 fares Opens this date on Aviasales

  7. #7 · Delta 2213

    10:40 PM → 11:53 PM1h 14m nonstop

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

    79%

    chance on time

    On time (history)
    81%
    Cancelled
    2.4%
    Avg arrival delay
    19 min
    • Arrived on time 81% of the time (319 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 · 319 flights

    Find Delta 2213 fares Opens this date on Aviasales

  8. #8 · Delta 3082

    8:10 PM → 9:23 PM1h 12m nonstop

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

    78%

    chance on time

    On time (history)
    80%
    Cancelled
    2.2%
    Avg arrival delay
    10 min
    • Arrived on time 80% of the time (87 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 72% on time; Before 9 AM: 91%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Moderate track record · 87 flights

    Find Delta 3082 fares Opens this date on Aviasales

  9. #9 · Delta 1235

    5:58 PM → 7:10 PM1h 12m nonstop

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

    77%

    chance on time

    On time (history)
    80%
    Cancelled
    2.6%
    Avg arrival delay
    12 min
    • Arrived on time 80% of the time (74 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 · 74 flights

    Find Delta 1235 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines81%

    2,037 flights · 83% on time as flown · 1.9% cancel

On time by departure time

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

  • Before 9 AM91%

    301 flights · avg delay 6 min

  • 9 AM to noon91%

    295 flights · avg delay 7 min

  • Noon to 3 PM82%

    358 flights · avg delay 11 min

  • 3 to 6 PM81%

    428 flights · avg delay 12 min

  • 6 to 9 PM72%

    311 flights · avg delay 17 min

  • After 9 PM81%

    345 flights · avg delay 18 min

Best day: Wednesday (89%). Worst: Sunday (80%).

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
81
F
90
M
87
A
89
M
79
J
77
J
77
A
86
S
90
O
91
N
91
D
85

What delays this route

  • Airline (crew, maintenance, boarding)49%
  • Late-arriving aircraft32%
  • Severe weather10%
  • Air traffic control and airport volume9%

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 LEX questions

What time of day is best to fly ATL to LEX?
Before 9 AM: 91% of flights arrived on time, against 72% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from ATL to LEX?
Delta, with a season-adjusted 81% chance of operating and arriving on time over 2,037 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 LEX?
June (77% on time); the best was October (91%), 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