Route on-time record
SAT to MCO: most on-time flights and the best time to fly
San Antonio (San Antonio International Airport) to Orlando (Orlando International Airport). 1,142 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was Southwest 4166 at 5:15 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SAT → MCO
San Antonio to Orlando: 1,142 nonstop flights a year
On time (12 months)
77%
Cancelled
1.7%
avg delay 18 min
Best time to leave
9 AM to noon
92% on time vs 60% 6 to 9 PM
Most reliable airline
Southwest
77% chance on time
Lowest nonstop fare seen in the next two months: $116 (Frontier 1654 on 2026-11-13). 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 4166
5:15 AM → 8:50 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2547; its record covers all of them.
89%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 90% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
Moderate track record · 88 flights
Find Southwest 4166 fares Opens this date on Aviasales#2 · Spirit 3065
6:00 AM → 9:35 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-03-11.
87%
chance on time
- On time (history)
- 100%
- Cancelled
- 10.7%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (25 flights, Jun 2025 to May 2026).
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Spirit 3065 fares Opens this date on Aviasales#3 · Southwest 3935
12:20 PM → 3:55 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-30.
76%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 34 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- 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 (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3935 fares Opens this date on Aviasales#4 · Frontier 1654
2:13 PM → 5:52 PM2h 39m nonstop
Local times, typical schedule. Last flown 2026-04-20.
73%
chance on time
- On time (history)
- 78%
- Cancelled
- 2.2%
- Avg arrival delay
- 27 min
- Arrived on time 78% of the time (89 flights, Jun 2025 to May 2026).
- Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 89 flights
Find Frontier 1654 fares Opens this date on Aviasales#5 · Southwest 962
5:45 PM → 9:20 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
69%
chance on time
- On time (history)
- 70%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 70% of the time (23 flights, Jun 2025 to May 2026).
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 962 fares Opens this date on Aviasales#6 · Spirit 3064
1:22 PM → 4:52 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-14.
68%
chance on time
- On time (history)
- 62%
- Cancelled
- 11.8%
- Avg arrival delay
- 16 min
- Arrived on time 62% of the time (29 flights, Jun 2025 to May 2026).
- Cancelled 11.8% of the time (4 of 34).
- 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 (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Spirit 3064 fares Opens this date on Aviasales#7 · Southwest 4399
5:30 PM → 9:00 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
64%
chance on time
- On time (history)
- 56%
- Cancelled
- 3.6%
- Avg arrival delay
- 25 min
- Arrived on time 56% of the time (27 flights, Jun 2025 to May 2026).
- Short track record (27 flights), so its score leans on the airline's record at this hour.
Limited track record · 27 flights
Find Southwest 4399 fares Opens this date on Aviasales#8 · Southwest 2870
2:55 PM → 6:30 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-27.
63%
chance on time
- On time (history)
- 50%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 50% of the time (16 flights, Jun 2025 to May 2026).
- 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 (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 2870 fares Opens this date on Aviasales#9 · Spirit 1376
2:12 PM → 5:45 PM2h 33m nonstop
Local times, typical schedule. Last flown 2026-05-01.
63%
chance on time
- On time (history)
- 50%
- Cancelled
- 0.0%
- Avg arrival delay
- 109 min
- Arrived on time 50% of the time (14 flights, Jun 2025 to May 2026).
- 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 (14 flights), so its score leans on the airline's record at this hour.
Limited track record · 14 flights
Find Spirit 1376 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines77%
764 flights · 77% on time as flown · 0.5% cancel
- Spirit Airlines75%
279 flights · 78% on time as flown · 4.1% cancel
- Frontier Airlines74%
99 flights · 74% on time as flown · 1.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
439 flights · avg delay 5 min
- 9 AM to noon92%
120 flights · avg delay 3 min
- Noon to 3 PM66%
222 flights · avg delay 34 min
- 3 to 6 PM62%
260 flights · avg delay 27 min
- 6 to 9 PM60%
101 flights · avg delay 29 min
Best day: Tuesday (85%). Worst: Thursday (75%).
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
- Air traffic control and airport volume42%
- Late-arriving aircraft35%
- Airline (crew, maintenance, boarding)20%
- Severe weather3%
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
SAT to MCO questions
- What time of day is best to fly SAT to MCO?
- 9 AM to noon: 92% of flights arrived on time, against 60% for departures 6 to 9 PM.
- Which airline is most on time from SAT to MCO?
- Southwest, with a season-adjusted 77% chance of operating and arriving on time over 764 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 SAT to MCO?
- July (70% on time); the best was September (87%), 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 SAT
- MCO to SAT (return)
- SAT to DFW 77%
- SAT to ATL 85%
- SAT to DEN 81%
- SAT to DAL 84%
- SAT to PHX 83%
- SAT to IAH 81%
- SAT to LAS 83%
- SAT to ORD 76%
- SAT to LAX 87%
- SAT to HOU 74%
- SAT to CLT 86%
- SAT to SLC 86%
Live status: FAA delays and ground stops