Route reliability record
DCA→MCO
Washington to Orlando
- Flights
- 4,586
- Period
- June 2025 to May 2026
- Distance
- 759 mi
- Carriers
- 5
This route sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.4%. The late ones land an hour and a half behind schedule. That rests on 4,586 flights, of which Delta Air Lines flew 712 at 77.8% on time.
Delta Air Lines is the most reliable of the four carriers covered here at 77.8% on time across 712 flights.
Key figures
On time
74.4%
Arrivals under 15 minutes late, of 4,472 completed flights
Avg delay
85 min
Across delayed arrivals only, not all flights
Cancelled
2.14%
National rate is 1.80%
Best carrier
Delta
77.8% on time across 712 flights
These figures cover 4,586 flights between June 2025 and May 2026. Beyond the headline rate, 11.3% 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
Which airline is most reliable on DCA to MCO
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 77.8% of the time; JetBlue Airways manages 71.1%. Sample sizes sit next to every figure, because a two-point gap across 944 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Republic Airwaysthin sample | 15 | 80.0% | 91 min | 0.00% | B+ |
| Delta Air Lines | 712 | 77.8% | 94 min | 3.65% | B− |
| American Airlines | 1,818 | 75.3% | 91 min | 2.53% | B |
| Southwest Airlines | 1,097 | 73.4% | 70 min | 1.19% | C |
| JetBlue Airways | 944 | 71.1% | 86 min | 1.38% | C |
Delta Air Lines cancels 3.6% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 32 points, against 7 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1,127 flights87.5%
- 8am–11am874 flights80.7%
- 11am–2pm959 flights74.7%
- 2pm–5pm688 flights68.7%
- 5pm–8pm910 flights55.4%
- 8pm–5am28 flights—
Scale runs 45% to 95%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 55.4% on time, against 87.5% 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.
Across the year
When delays peak on this route
This route's year swings by 18 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
December is the weak month at 65.3% on time, against 83.6% in April. 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.
Across the week, Tuesday is the strongest day at 80.8% on time and Sunday the weakest at 66.0%. 15 points is a smaller lever than departure hour, but it is free.
Delay causes
Why this route gets delayed
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 97,000 reported delay minutes.
- 42%Late-arriving aircraft
- 31%Carrier
- 24%National Airspace System
- 3%Extreme weather
- 0%Security
42% 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 97,000 reported delay minutes here, that single category outweighs weather by 14 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 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 87.5% on time here.
Cancellations sit at 2.14% against a national 1.80%, which is ordinary. Diversions add another 0.35%.
Connections and stage length
What a delay here actually costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 11.3% of arrivals land a full hour or more behind schedule, against 8.2% 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 759 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 is a different operation and performs like one: it runs 67.5% on time across 4,585 flights, 7 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 7 points of difference.
The sample behind these figures is 4,586 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 this route
Put together: the calendar is the biggest lever here, not the carrier or the hour. April runs 83.6% on time and December 65.3%, a swing of 18 points. If the dates move at all, move them out of December before you think about anything else.
Common questions
DCA to MCO questions
How often is DCA to MCO delayed?
About one flight in four arrive at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 25.6% of the 4,586 flights in this analysis, against 22.6% nationally. Delayed flights are late by an hour and a half on average.
Which airline is most reliable on DCA to MCO?
Delta Air Lines leads at 77.8% on time across 712 flights. JetBlue Airways is at the other end on 71.1%, a gap of 7 points. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.
What time of day has the fewest delays on DCA to MCO?
The 5am–8am departure window is the strongest at 87.5% on time. The 5pm–8pm window is the weakest at 55.4%, 32 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are December delays on DCA to MCO?
December is the weakest month at 65.3% on time, compared with 83.6% in April. Across the year that is 18 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- MCO to DCA — the return legseparate record
- Ronald Reagan Washington National (DCA) delay statistics
- Orlando International (MCO) delay statistics
- Republic Airways on-time record80.0%
- Delta Air Lines on-time record77.8%
- American Airlines on-time record75.3%
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
Direction matters. DCA to MCO and MCO to DCA are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, June 2025 to May 2026. Updated monthly. How this data is collected.