ON TIMEBOARD

SAN → MCO on time

San Diego (San Diego, CA) to Orlando (Orlando, FL). Every scheduled flight, September 2025 to August 2026.

On time
77%
arrived < 15 min late
Cancelled
0.5%
1,087 flights
Typical arrival
−5 min
median vs schedule
When late
+46 min
average delay
Flights / day
3
2 airlines

77% of flights from San Diego to Orlando arrived on time over the past 12 months. That is about the typical U.S. route. The 9 p.m. departures ran on time 84% of the time; the 9 a.m. ones 67%. Most reliable airline: Alaska Airlines (78%). 5% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SAN → MCO: when a flight was late, it was under 45 minutes late 71% of the time. About 1 in 29 flights landed an hour or more late, and 1 in 155 three hours or more; 0.6% were cancelled outright.

Share of all 1,087 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines62878%0.5%−7 min4.3%+48 minAlaska Airlines
Southwest Airlines45977%0.7%−3 min2.2%+43 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SAN). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%8 a.m. departures: 77% on time (246 flights)778a9 a.m. departures: 67% on time (150 flights)679a10 a.m. departures: 77% on time (184 flights)7710a11 a.m. departures: too few flights (75 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights (1 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: 84% on time (250 flights)849p10 p.m. departures: 82% on time (165 flights)8210p
SAN → MCO, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAlaska AirlinesSouthwest Airlines
8 a.m.—76%
9 a.m.66%—
10 a.m.74%—
9 p.m.90%—

Last flight of the day

On SAN → MCO, each airline's last flight of the day was cancelled 1.0% of the time, against 0.5% for its earlier flights (2.0× as often). It arrived 3+ hours late 0.0% of the time (earlier flights: 0.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Alaska Airlines9:06 p.m.0.8%0.0%0.4%first flight 10:03 a.m.
Southwest Airlines9:55 p.m.1.7%0.0%0.8%first flight 8:30 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in MCO tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: April (89%). Worst: March (64%).

40%70%100%Jan: 73% on time (215 flights)73JanFeb: 82% on time (198 flights)82FebMar: 64% on time (237 flights)64MarApr: 89% on time (231 flights)89AprMay: 86% on time (241 flights)86MayJun: 77% on time (261 flights)77JunJul: 73% on time (274 flights)73JulAug: 68% on time (187 flights)68AugSep: 77% on time (115 flights)77SepOct: 69% on time (123 flights)69OctNov: 72% on time (156 flights)72NovDec: 69% on time (196 flights)69Dec

By day of week

DayFlightsOn timeCancelled
Monday16378%1.2%
Tuesday14378%0.0%
Wednesday14280%0.0%
Thursday15871%0.6%
Friday16180%1.2%
Saturday16479%0.6%
Sunday15676%0.0%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 42%Air traffic & airport (NAS) 31%Airline (crew, maintenance, ops) 22%Severe weather 5%Security 1%

Cancellations: air traffic/airport 4 · airline 1 · weather 1

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Mar 2026: 56% on time, 3.5% cancelledApr 2026: 90% on time, 0.0% cancelledMay 2026: 89% on time, 0.0% cancelledJun 2026: 83% on time, 0.9% cancelledJul 2026: 74% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
SAN → MCO, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 39610:03 a.m.36472%0.3%−3 minAlaska Airlines
AS 7079:06 p.m.21686%0.9%−12 minAlaska Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Apr 2, 202640%0
Mar 18, 202630%0
Jul 23, 2026425%0
Jul 30, 2026425%0
Mar 15, 2026425%0

Questions

How often are flights from SAN to MCO on time?

77% of 1,087 scheduled flights from San Diego, CA to Orlando, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What is the best time of day to fly SAN to MCO?

Flights scheduled to leave at 9 p.m. were the most reliable (84% on time). The 9 a.m. departures were the least (67%).

Which airline is most on time from SAN to MCO?

Alaska Airlines: 78% of its 628 flights on the route arrived on time. Southwest Airlines: 77%.

What month has the most delays from SAN to MCO?

March (64% on time). The best month is April (89%), over 2023–2026.

Is the last flight of the day from SAN to MCO more likely to be cancelled?

Yes. Each airline's last SAN–MCO flight of the day was cancelled 1.0% of the time over the past year, against 0.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.