Route on-time record

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

Atlanta (Hartsfield Jackson Atlanta International Airport) to Orlando (Orlando International Airport). 8,229 nonstop flights in Jun 2025 to May 2026, 69% arrived within 15 minutes and 1.4% were cancelled. The most reliable flight number was Southwest 251 at 8:00 AM.

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

ATL → MCO

Atlanta to Orlando: 8,229 nonstop flights a year

On time (12 months)

69%

Cancelled

1.4%

avg delay 24 min

Best time to leave

Before 9 AM

85% on time vs 54% 6 to 9 PM

Most reliable airline

Southwest

74% chance on time

Check ATL to MCO fares

Lowest nonstop fare seen in the next two months: $27 (Frontier 1242 on 2026-11-15). 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 · Southwest 251
8:00 AM → 9:30 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
On time (history)
98%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 98% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Limited track record · 55 flights
Find Southwest 251 fares Opens this date on Aviasales
#2 · Southwest 2725
7:40 AM → 9:10 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
88%
chance on time
On time (history)
88%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 88% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 2725 fares Opens this date on Aviasales
#3 · Delta 2204
7:15 AM → 8:45 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
88%
Cancelled
2.3%
Avg arrival delay
8 min
- Arrived on time 88% of the time (294 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- 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 · 294 flights
Find Delta 2204 fares Opens this date on Aviasales
#4 · Delta 1213
8:15 AM → 9:46 AM1h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
On time (history)
85%
Cancelled
0.8%
Avg arrival delay
9 min
- Arrived on time 85% of the time (362 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- 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 · 362 flights
Find Delta 1213 fares Opens this date on Aviasales
#5 · Southwest 2433
12:30 PM → 1:55 PM1h 25m nonstop
Local times, typical schedule. Last flown 2026-05-29.
84%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 91% of the time (23 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).
- Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 2433 fares Opens this date on Aviasales
#6 · Delta 552
8:45 AM → 10:18 AM1h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 535, 317; its record covers all of them.
83%
chance on time
On time (history)
86%
Cancelled
2.4%
Avg arrival delay
7 min
- Arrived on time 86% of the time (80 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- 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 · 80 flights
Find Delta 552 fares Opens this date on Aviasales
#7 · Delta 664
10:25 AM → 11:52 AM1h 36m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
On time (history)
82%
Cancelled
1.7%
Avg arrival delay
11 min
- Arrived on time 82% of the time (357 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 · 357 flights
Find Delta 664 fares Opens this date on Aviasales
#8 · Delta 1658
9:15 AM → 10:54 AM1h 29m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
On time (history)
81%
Cancelled
0.8%
Avg arrival delay
12 min
- Arrived on time 81% of the time (362 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 · 362 flights
Find Delta 1658 fares Opens this date on Aviasales
#9 · Southwest 3873
11:25 AM → 12:55 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
81%
Cancelled
0.0%
Avg arrival delay
15 min
- Arrived on time 81% of the time (16 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).
- 70% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 3873 fares Opens this date on Aviasales
#10 · Frontier 4556
8:14 AM → 9:57 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-04.
78%
chance on time
On time (history)
79%
Cancelled
1.2%
Avg arrival delay
20 min
- Arrived on time 79% of the time (324 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 54%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 324 flights
Find Frontier 4556 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines74%
1,095 flights · 75% on time as flown · 1.1% cancel
Spirit Airlines70%
526 flights · 71% on time as flown · 2.8% cancel
Delta Air Lines68%
5,462 flights · 68% on time as flown · 1.2% cancel
Frontier Airlines63%
1,146 flights · 64% on time as flown · 1.8% cancel

On time by departure time

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

Before 9 AM85%
1,652 flights · avg delay 14 min
9 AM to noon79%
1,454 flights · avg delay 15 min
Noon to 3 PM72%
1,395 flights · avg delay 20 min
3 to 6 PM55%
1,176 flights · avg delay 35 min
6 to 9 PM54%
1,596 flights · avg delay 33 min
After 9 PM62%
956 flights · avg delay 29 min

Best day: Tuesday (77%). Worst: Sunday (64%).

Smarter routing

Nearby airports that run more on time

ATL → DAB 84% chance on time
Hartsfield Jackson Atlanta International Airport to Daytona Beach International Airport · 1,502 flights a year · 54 mi from your airports · yours: 68%
Rank flights Fares
ATL → MLB 82% chance on time
Hartsfield Jackson Atlanta International Airport to Melbourne Orlando International Airport · 1,447 flights a year · 47 mi from your airports · yours: 68%
Rank flights Fares

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.

What delays this route

Airline (crew, maintenance, boarding)39%
Late-arriving aircraft30%
Air traffic control and airport volume27%
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

ATL to MCO questions

What time of day is best to fly ATL to MCO?: Before 9 AM: 85% of flights arrived on time, against 54% 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 MCO?: Southwest, with a season-adjusted 74% chance of operating and arriving on time over 1,095 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 MCO?: July (55% on time); the best was November (83%), 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

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