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DelayAtlas

Carrier route record

DLJFKMCO

Delta Air Lines · New York to Orlando

Flights
1,979
Period
July 2025 to June 2026
Share of route
40%
Carriers
3
BGRADE

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

Delta on JFK to MCO lands a B, level with the national rate of 77.6%. Roughly one flight in four arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 1,979 flights, with a median arrival 9 minutes early.

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

Key figures

On time

77.6%

Arrivals under 15 minutes late, of 1,914 completed flights

Avg delay

66 min

Across delayed arrivals only, not all flights

Cancelled

2.93%

National rate is 1.81%

Whole route

73.7%

Every carrier on JFK to MCO, 4,887 flights

These figures cover 1,979 flights between July 2025 and June 2026. The median arrival is 9 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Carrier by carrier

Delta against every carrier on JFK to MCO

Delta flew 1,979 of the 4,887 flights on JFK to MCO, about 40% of it. Its 77.6% on time is 4 points better than the route as a whole, which runs 73.7%. Ranked by on-time rate it is first of three carriers on the route, where the range runs from Delta at 77.6% to JetBlue at 70.8%. 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 JFK to MCO
AirlineFlightsOn timeAvg delayCancelledGrade
Delta Air Lines (this page)1,97977.6%66 min2.93%B
Frontier Airlinesthin sample29472.4%90 min1.36%C
JetBlue Airways2,61470.8%78 min3.10%C−

Flight by flight

Delta flight numbers on JFK to MCO

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 28 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–8am364 flights85.1%
  • 8am–11am365 flights78.1%
  • 11am–2pm527 flights83.2%
  • 2pm–5pm347 flights72.0%
  • 5pm–8pm107 flights57.5%
  • 8pm–5am269 flights71.1%

Scale runs 50% to 90%. Rows with fewer than 30 flights show a dash.

The 5pm–8pm window is where this operation falls apart: 57.5% on time, against 85.1% 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 11am–2pm window is the busiest, with 527 flights scheduled in it.

Across the year

Delta on JFK to MCO through the year

On-time rate by calendar month74J71F84M84A84M82J70J82A85S69O76N69D
Darker means more delays. Figures are on-time percentages.September best, December worst

December is the weak month at 68.6% on time, against 85.3% in September. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. March was the busiest month here, with 186 flights.

Across the week, Tuesday is the strongest day at 84.8% on time and Sunday the weakest at 67.7%. 17 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week72.1Mon84.8Tue83.0Wed78.6Thu81.9Fri74.2Sat67.7Sun
Monday: 72.1 percent on time. Tuesday: 84.8 percent on time. Wednesday: 83.0 percent on time. Thursday: 78.6 percent on time. Friday: 81.9 percent on time. Saturday: 74.2 percent on time. Sunday: 67.7 percent on time

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 28,000 reported delay minutes.

  • Carrier
    39%
  • National Airspace System
    35%
  • Late-arriving aircraft
    23%
  • Extreme weather
    2%
  • Security
    0%

The largest share of delay minutes, 39%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 11,000 of the 28,000 delay minutes reported here. The split is drawn from 28,410 reported delay minutes.

35% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 10,000 minutes out of 28,000, against a national NAS share of 21%.

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

7.7% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.

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 78.1% on time across 1,980 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 1,979 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 JFK to MCO

Put together: the delay figures matter less here than the 2.93% cancellation rate. A late arrival costs you about an hour; 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. 1,914 completed flights over 12 months sit behind that.

Related

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.