Flight number record

F9 4871

Frontier Airlines · New York to Orlando

Route: JFK → MCO
Departs: 06:59
Flights: 281
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s F9 4871, check with Frontier Airlines.

F9 4871 sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, 6 points worse than the national rate of 77.6%. The late ones land an hour and a half behind schedule. That rests on 281 flights, with a median arrival 1 minute early.

The national on-time rate over the same period is 77.6%, so F9 4871 runs 6 points behind the country as a whole. Across a thousand flights that is about 61 extra late arrivals.

On time

71.5%

Arrivals under 15 minutes late, of 277 completed flights

Avg delay

90 min

Across delayed arrivals only, not all flights

Cancelled

1.42%

National rate is 1.81%

1 hour+ late

9.7%

National rate is 8.1%

These figures cover 281 flights between July 2025 and June 2026. Beyond the headline rate, 9.7% 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.

Schedule

When F9 4871 flies

F9 4871 flies JFK to MCO without a single fixed slot. Its most common scheduled departure was 06:59, used on 155 of 281 flights. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 06:59155 flights55.2%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 06:59 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and F9 4871 runs 18 points worse at 71.5%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

F9 4871 next to JFK to MCO

Every carrier on JFK to MCO combined arrived on time 73.7% of the time across 4,887 flights, so F9 4871 is 2 points behind it. Across its whole network Frontier Airlines managed 73.2%, which this flight trails by 2 points.

F9 4871 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
F9 4871thin sample	281	71.5%	90 min	1.42%	C
All Frontier Airlines on JFK–MCOthin sample	294	72.4%	90 min	1.36%	C
All carriers on JFK–MCO	4,887	73.7%	75 min	2.93%	C
Frontier Airlines, whole network	205,332	73.2%	84 min	1.85%	C

Across the year

F9 4871 quarter by quarter

F9 4871 did not run the same all year. Its best quarter was Jan–Mar 2026 at 76.5% on time and its weakest Jul–Sep 2025 at 66.3%, a swing of 10 points on roughly 94 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Jul–Sep 202592 flights66.3%
Oct–Dec 202592 flights71.4%
Jan–Mar 202684 flights76.5%
Apr–Jun 202613 flights—

Scale runs 60% to 80%. Rows with fewer than 30 flights show a dash.

By weekday, F9 4871 did best on Wednesday at 82.5% on time and worst on Tuesday at 61.0%. Each day rests on about 40 flights, so a gap of 22 points is worth noticing but could still narrow in another year.

Delay causes

Why F9 4871 runs late

One category carries most of the weight here. Late-arriving aircraft accounts for 51% of the 7,100 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
51%
Carrier
39%
National Airspace System
8%
Extreme weather
1%

51% 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 7,100 reported delay minutes here, that single category outweighs weather by 37 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 7,100 delay minutes reported on F9 4871.

Cancellations sit at 1.42% against a national 1.81%, which is ordinary. Diversions add another 0.00%.

Connections and routes

What a delay on this flight costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.7% 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.

Every one of the 281 flights under F9 4871 in the data flew JFK to MCO. The number was not reused on any other city pair, which makes this a clean record of one route.

One caution: this is a thin sample. 281 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking F9 4871

For a booking, read F9 4871 as 71.5% on time with 1.42% cancelled over 281 flights. Those are rates from the past twelve months, not a forecast for any particular day.

Where to go next

A flight number here means Frontier Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.

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