ON TIMEBOARD

JAX → LGA on time

Jacksonville (Jacksonville, FL) to LaGuardia (New York, NY). Every scheduled flight, September 2025 to August 2026.

On time
71%
arrived < 15 min late
Cancelled
4.5%
1,408 flights
Typical arrival
−6 min
median vs schedule
When late
+121 min
average delay
Flights / day
4
2 airlines

71% of flights from Jacksonville to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 88% of the time; the 6 p.m. ones 52%. 17% 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 JAX → LGA: when a flight was late, it was under 45 minutes late 35% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 25 three hours or more; 4.5% were cancelled outright.

Share of all 1,408 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,33070%4.7%−6 min12.3%+121 minEndeavor Air 53%, Republic Airways 39%, Delta Air Lines 8%
American Airlines78—————Republic Airways

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 JAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 88% on time (304 flights)886a7 a.m. departures: too few flights (16 flights)7a8 a.m. departures: too few flights (96 flights)8a9 a.m. departures: too few flights (3 flights)9a10 a.m. departures: too few flights (4 flights)10a11 a.m. departures: 75% on time (266 flights)7511anoon departures: 83% on time (104 flights)8312p1 p.m. departures: too few flights (13 flights)1p2 p.m. departures: too few flights (1 flights)2p3 p.m. departures: 59% on time (273 flights)593p4 p.m. departures: too few flights (13 flights)4p5 p.m. departures: too few flights (55 flights)5p6 p.m. departures: 52% on time (213 flights)526p7 p.m. departures: too few flights (47 flights)7p
JAX → LGA, 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

DepartsDelta Air Lines
6 a.m.88%
11 a.m.75%
3 p.m.60%
6 p.m.52%

Last flight of the day

On JAX → LGA, each airline's last flight of the day was cancelled 6.6% of the time, against 4.0% for its earlier flights (1.6× as often). It arrived 3+ hours late 5.2% of the time (earlier flights: 3.6%). 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
Delta Air Lines7:02 p.m.6.3%5.2%4.0%first flight 6:15 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 LGA tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: February (86%). Worst: July (63%).

40%70%100%Jan: 80% on time (271 flights)80JanFeb: 86% on time (250 flights)86FebMar: 75% on time (318 flights)75MarApr: 81% on time (324 flights)81AprMay: 77% on time (331 flights)77MayJun: 70% on time (328 flights)70JunJul: 63% on time (340 flights)63JulAug: 75% on time (357 flights)75AugSep: 85% on time (342 flights)85SepOct: 86% on time (359 flights)86OctNov: 84% on time (368 flights)84NovDec: 80% on time (369 flights)80Dec

By day of week

DayFlightsOn timeCancelled
Monday20465%9.3%
Tuesday19969%5.0%
Wednesday19776%0.0%
Thursday19667%6.1%
Friday20073%2.5%
Saturday18381%2.2%
Sunday22966%6.1%

Why flights were late

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

Air traffic & airport (NAS) 37%Airline (crew, maintenance, ops) 30%Late inbound plane 29%Severe weather 3%

Cancellations: air traffic/airport 35 · airline 17 · weather 12

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 78% on time, 5.5% cancelledOct 2023: 87% on time, 0.0% cancelledNov 2023: 92% on time, 0.7% cancelledDec 2023: 91% on time, 0.7% cancelledAug 2024: 83% on time, 5.5% cancelledSep 2024: 93% on time, 2.6% cancelledOct 2024: 96% on time, 0.0% cancelledNov 2024: 89% on time, 0.0% cancelledDec 2024: 80% on time, 0.0% cancelledMar 2025: 83% on time, 0.9% cancelledApr 2025: 83% on time, 0.9% cancelledMay 2025: 65% on time, 3.5% cancelledJun 2025: 59% on time, 9.6% cancelledJul 2025: 59% on time, 9.2% cancelledAug 2025: 84% on time, 1.7% cancelledSep 2025: 83% on time, 0.9% cancelledOct 2025: 73% on time, 5.8% cancelledNov 2025: 68% on time, 1.8% cancelledDec 2025: 66% on time, 4.1% cancelledMar 2026: 59% on time, 9.8% cancelledApr 2026: 71% on time, 0.0% cancelledMay 2026: 80% on time, 0.0% cancelledJun 2026: 72% on time, 3.2% cancelledJul 2026: 59% on time, 11.0% cancelledAug 2026: 61% on time, 4.7% cancelled
Share of flights on time, by month (hover a point for cancellations)
JAX → LGA, 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
DL 57976:00 a.m.17583%3.4%−12 minRepublic Airways

Worst days in the past year

DateFlightsOn timeCancelled
Mar 12, 202640%2
Jul 7, 202640%1
Mar 26, 202640%2
Dec 14, 202540%1
Oct 14, 202540%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Jacksonville or New York. JAX → EWR has been 5 points more reliable.

RouteFlightsOn timeCancelled
JAX → LGA (this route)1,40871%4.5%
JAX → EWR Jacksonville to Newark1,35376%2.8%
JAX → JFK Jacksonville to New York JFK2,08574%4.9%

Questions

How often are flights from JAX to LGA on time?

71% of 1,408 scheduled flights from Jacksonville, FL to New York, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 4.5% were cancelled.

What is the best time of day to fly JAX to LGA?

Flights scheduled to leave at 6 a.m. were the most reliable (88% on time). The 6 p.m. departures were the least (52%).

What month has the most delays from JAX to LGA?

July (63% on time). The best month is February (86%), over 2023–2026.

Is the last flight of the day from JAX to LGA more likely to be cancelled?

Yes. Each airline's last JAX–LGA flight of the day was cancelled 6.6% of the time over the past year, against 4.0% 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.