Carrier route record

DLMCO→JFK

Delta Air Lines · Orlando to New York

Flights: 1,980
Period: July 2025 to June 2026
Share of route: 40%
Carriers: 3

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Delta Air Lines.

Delta on MCO to JFK lands a B, level with the national rate of 77.6%. Roughly one flight in five arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That is a workable record, not a spotless one. That rests on 1,980 flights, with a median arrival 8 minutes early.

The US average over the same twelve months is 77.6%, so there is little to separate Delta on MCO to JFK from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

On time

78.1%

Arrivals under 15 minutes late, of 1,917 completed flights

Avg delay

84 min

Across delayed arrivals only, not all flights

Cancelled

2.93%

National rate is 1.81%

Whole route

74.1%

Every carrier on MCO to JFK, 4,899 flights

These figures cover 1,980 flights between July 2025 and June 2026. Beyond the headline rate, 9.1% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

Delta against every carrier on MCO to JFK

Delta flew 1,980 of the 4,899 flights on MCO to JFK, about 40% of it. Its 78.1% on time is 4 points better than the route as a whole, which runs 74.1%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from Frontier at 86.2% to JetBlue at 69.7%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on MCO to JFK
Airline	Flights	On time	Avg delay	Cancelled	Grade
Frontier Airlinesthin sample	294	86.2%	62 min	1.36%	A
Delta Air Lines (this page)	1,980	78.1%	84 min	2.93%	B
JetBlue Airways	2,625	69.7%	83 min	3.09%	C−

Flight by flight

Delta flight numbers on MCO to JFK

Departure window

When Delta runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 36 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am516 flights94.5%
8am–11am91 flights90.1%
11am–2pm487 flights78.3%
2pm–5pm381 flights73.6%
5pm–8pm271 flights65.4%
8pm–5am234 flights58.5%

Scale runs 50% to 100%. Rows with fewer than 30 flights show a dash.

The 8pm–5am window is where this operation falls apart: 58.5% on time, against 94.5% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5am–8am window is the busiest, with 516 flights scheduled in it.

Across the year

Delta on MCO to JFK through the year

Darker means more delays. Figures are on-time percentages.September best, July worst

July is the worst month at 65.3% on time, 24 points below September, the best at 89.3%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. March was the busiest month here, with 187 flights.

Across the week, Wednesday is the strongest day at 85.0% on time and Sunday the weakest at 68.4%. 17 points is a smaller lever than departure hour, but it is free.

Delay causes

Why Delta runs late on this route

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 35,000 reported delay minutes.

Late-arriving aircraft
34%
Carrier
33%
National Airspace System
28%
Extreme weather
4%
Security
0%

34% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 35,000 reported delay minutes here, that single category outweighs weather by 8 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 35,193 reported delay minutes.

The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 94.5% on time here.

Cancellations run at 2.93%, against 1.81% nationally. That is roughly one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.

Connections and stage length

What a delay here costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.1% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The 944 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The return leg runs 77.6% on time across 1,979 flights, within half a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

The sample behind these figures is 1,980 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.

What to do with this

Booking Delta on MCO to JFK

Put together: the delay figures matter less here than the 2.93% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 1,917 completed flights over 12 months sit behind that.

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures