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Route on-time record

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

Kansas City (Kansas City International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 3,290 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 1.5% were cancelled. The most reliable flight number was Delta 1204 at 5:54 AM.

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

MCI → ATL

Kansas City to Atlanta: 3,290 nonstop flights a year

On time (12 months)

87%

Cancelled

1.5%

avg delay 10 min

Best time to leave

Before 9 AM

92% on time vs 80% 3 to 6 PM

Most reliable airline

Delta

88% chance on time

Check MCI to ATL 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 1204

    5:54 AM → 9:00 AM2h 06m nonstop

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

    92%

    chance on time

    On time (history)
    94%
    Cancelled
    1.6%
    Avg arrival delay
    4 min
    • Arrived on time 94% of the time (357 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; 3 to 6 PM: 80%).

    Strong track record · 357 flights

    Find Delta 1204 fares Opens this date on Aviasales

  2. #2 · Delta 2471

    10:30 AM → 1:25 PM2h 01m nonstop

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

    92%

    chance on time

    On time (history)
    94%
    Cancelled
    2.2%
    Avg arrival delay
    5 min
    • Arrived on time 94% of the time (269 flights, Jun 2025 to May 2026).
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 269 flights

    Find Delta 2471 fares Opens this date on Aviasales

  3. #3 · Delta 1212

    7:05 AM → 10:05 AM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 463; its record covers all of them.

    91%

    chance on time

    On time (history)
    93%
    Cancelled
    1.3%
    Avg arrival delay
    9 min
    • Arrived on time 93% of the time (297 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; 3 to 6 PM: 80%).

    Strong track record · 297 flights

    Find Delta 1212 fares Opens this date on Aviasales

  4. #4 · Delta 3110

    8:10 AM → 11:04 AM2h 03m nonstop

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

    89%

    chance on time

    On time (history)
    90%
    Cancelled
    1.2%
    Avg arrival delay
    12 min
    • Arrived on time 90% of the time (342 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; 3 to 6 PM: 80%).

    Strong track record · 342 flights

    Find Delta 3110 fares Opens this date on Aviasales

  5. #5 · Delta 2908

    1:25 PM → 4:25 PM2h 03m nonstop

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

    89%

    chance on time

    On time (history)
    91%
    Cancelled
    2.4%
    Avg arrival delay
    7 min
    • Arrived on time 91% of the time (288 flights, Jun 2025 to May 2026).
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 288 flights

    Find Delta 2908 fares Opens this date on Aviasales

  6. #6 · Delta 1470

    6:41 PM → 9:47 PM2h 08m nonstop

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

    85%

    chance on time

    On time (history)
    86%
    Cancelled
    2.4%
    Avg arrival delay
    9 min
    • Arrived on time 86% of the time (247 flights, Jun 2025 to May 2026).

    Strong track record · 247 flights

    Find Delta 1470 fares Opens this date on Aviasales

  7. #7 · Delta 2747

    3:06 PM → 6:10 PM2h 04m nonstop

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

    84%

    chance on time

    On time (history)
    85%
    Cancelled
    0.0%
    Avg arrival delay
    15 min
    • Arrived on time 85% of the time (48 flights, Jun 2025 to May 2026).
    • Never cancelled in 49 scheduled flights.
    • Leaves in this route's least on-time window (3 to 6 PM: 80% on time; Before 9 AM: 92%).
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Limited track record · 48 flights

    Find Delta 2747 fares Opens this date on Aviasales

  8. #8 · Delta 1660

    4:48 PM → 7:46 PM2h 11m nonstop

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

    83%

    chance on time

    On time (history)
    85%
    Cancelled
    1.7%
    Avg arrival delay
    8 min
    • Arrived on time 85% of the time (345 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (3 to 6 PM: 80% on time; Before 9 AM: 92%).

    Strong track record · 345 flights

    Find Delta 1660 fares Opens this date on Aviasales

  9. #9 · Southwest 3001

    2:50 PM → 5:50 PM2h 00m nonstop

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

    79%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    11 min
    • Arrived on time 80% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
    • Short track record (55 flights), so its score leans on the airline's record at this hour.

    Limited track record · 55 flights

    Find Southwest 3001 fares Opens this date on Aviasales

  10. #10 · Southwest 280

    2:05 PM → 5:05 PM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-04-01.

    79%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    11 min
    • Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
    • 85% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 280 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines88%

    2,775 flights · 89% on time as flown · 1.6% cancel

  • Southwest Airlines78%

    365 flights · 77% on time as flown · 0.6% cancel

  • Frontier Airlines66%

    150 flights · 59% on time as flown · 1.7% cancel

On time by departure time

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

  • Before 9 AM92%

    1,040 flights · avg delay 8 min

  • 9 AM to noon87%

    602 flights · avg delay 12 min

  • Noon to 3 PM86%

    670 flights · avg delay 9 min

  • 3 to 6 PM80%

    660 flights · avg delay 14 min

  • 6 to 9 PM84%

    318 flights · avg delay 11 min

Best day: Tuesday (89%). Worst: Sunday (84%).

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
83
F
91
M
86
A
90
M
83
J
82
J
78
A
90
S
91
O
92
N
92
D
85

What delays this route

  • Late-arriving aircraft47%
  • Airline (crew, maintenance, boarding)31%
  • Air traffic control and airport volume18%
  • Severe weather4%

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

MCI to ATL questions

What time of day is best to fly MCI to ATL?
Before 9 AM: 92% of flights arrived on time, against 80% for departures 3 to 6 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 MCI to ATL?
Delta, with a season-adjusted 88% chance of operating and arriving on time over 2,775 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 MCI to ATL?
July (78% on time); the best was October (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 MCI

Live status: FAA delays and ground stops