Route reliability record
PBI→LGA
West Palm Beach to New York
- Flights
- 3,008
- Period
- September 2025 to August 2026
- Distance
- 1,035 mi
- Carriers
- 4
This route carries a cancellation problem, not just a delay problem: 4.5% of scheduled flights never operate, against 1.9% nationally. Of the ones that do fly, about seven flights in ten arrive on time, worth a C− overall. The punctuality figure counts only flights that actually departed, so it flatters an operation that cancels this often. That rests on 3,008 PBI to LGA flights, of which Delta Air Lines flew 1,434 at 71.7% on time.
Best time to fly PBI to LGA: a 5am–8am departure, ideally on a Wednesday. Flights in that window arrived on time 91.9% of the time and Wednesday flights 72.1%, against 68.1% for the route overall.
Delta Air Lines is the most reliable of the three carriers covered here at 71.7% on time across 1,434 flights.
Key figures
On time
68.1%
Arrivals under 15 minutes late, of 2,853 completed flights
Avg delay
80 min
Across delayed arrivals only, not all flights
Cancelled
4.49%
National rate is 1.89%
Best carrier
Delta
71.7% on time across 1,434 flights
These figures cover 3,008 flights between September 2025 and August 2026. Beyond the headline rate, 14.3% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
Which airline is most reliable on PBI to LGA
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 71.7% of the time; American Airlines manages 57.9%. Sample sizes sit next to every figure, because a two-point gap across 405 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 1,434 | 71.7% | 67 min | 4.39% | C− |
| JetBlue Airways | 1,052 | 67.4% | 82 min | 4.47% | C− |
| Republic Airwaysthin sample | 117 | 66.0% | 105 min | 6.84% | C− |
| American Airlines | 405 | 57.9% | 97 min | 4.20% | D− |
JetBlue Airways cancels 4.5% 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.
Flight by flight
Flights on PBI to LGA
The flight numbers below flew this route at least 250 times in the period, busiest first. Each has its own record, with its schedule and delay causes.
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Best ways to make this trip
The most reliable ways to fly West Palm Beach to New York
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 5 of the top 5 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. FLL → EWRFort Lauderdale to Newark | United Airlines | 76.1% | 78.1% | 2.57% | 5am–8am, Wed | — |
| 2. PBI → EWRWest Palm Beach to Newark | United Airlines | 76.1% | 77.9% | 2.33% | 5am–8am, Tue | UA 2158 06:00 |
| 3. PBI → ISPWest Palm Beach to Islip | JetBlue Airways | 75.4% | 76.8% | 1.85% | 5am–8am, Wed | B6 544 10:09 |
| 4. PBI → JFKWest Palm Beach to New York | JetBlue Airways | 74.3% | 77.5% | 4.12% | 5am–8am, Tue | — |
| 5. PBI → ISPWest Palm Beach to Islip | Southwest Airlines | 73.1% | 73.9% | 1.15% | 8am–11am, Sat | — |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
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 39 points, against 14 points between the best and worst carrier.
- 5am–8am474 flights91.9%
- 8am–11am310 flights77.4%
- 11am–2pm558 flights71.3%
- 2pm–5pm864 flights61.8%
- 5pm–8pm625 flights52.5%
- 8pm–5am177 flights62.0%
Scale runs 45% to 95%.
The 5pm–8pm window is where this operation falls apart: 52.5% on time, against 91.9% 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 2pm–5pm window is the busiest, with 864 flights scheduled in it.
Explore
Filter PBI to LGA by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On PBI to LGA, the best departure window is 5am–8am at 91.9% on time and the worst is 5pm–8pm at 52.5%, a wide gap of 39.4 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am91.9%
- 8–11am77.4%
- 11am–2pm71.3%
- 2–5pm61.8%
- 5–8pm52.5%
- 8pm–5am62.0%
best all US flightsScale 45% to 95%.
Across the year
When delays peak on this route
This route's year swings by 33 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.
September is the best month on the calendar at 86.5% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. January was the busiest month here, with 339 flights.
Across the week, Wednesday is the strongest day at 72.1% on time and Sunday the weakest at 61.1%, a spread of 11 points.
Delay causes
Why this route gets delayed
Late-arriving aircraft accounts for 45% of the 72,000 delay minutes carriers reported here, and the remaining four split what is left.
- 45%Late-arriving aircraft
- 31%National Airspace System
- 21%Carrier
- 3%Extreme weather
- 0%Security
45% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 72,000 reported delay minutes here, that single category outweighs weather by 17 to one. The split is drawn from 72,302 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 91.9% on time here.
Cancellations run at 4.49%, against 1.89% nationally. That is roughly one flight in twenty 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 actually costs
14.3% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
The 1,035 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.
The return leg runs 70.2% on time across 3,008 flights, within 2 points 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 3,008 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.
Work out the risk of missing a connection in LGA after this flight
What to do with this
Booking this route
Put together: the delay figures matter less here than the 4.49% cancellation rate. A late arrival costs you a little over 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. 2,853 completed flights over 12 months sit behind that.
Common questions
PBI to LGA questions
How often is PBI to LGA delayed?
About one flight in three arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 31.9% of the 3,008 flights in this analysis, against 22.7% nationally. Delayed flights are late by a little over an hour on average.
Which airline is most reliable on PBI to LGA?
Delta Air Lines leads at 71.7% on time across 1,434 flights. American Airlines is at the other end on 57.9%, a gap of 14 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 PBI to LGA?
The 5am–8am departure window is the strongest at 91.9% on time. The 5pm–8pm window is the weakest at 52.5%, 39 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 March delays on PBI to LGA?
March is the weakest month at 53.1% on time, compared with 86.5% in September. Across the year that is 33 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
- LGA to PBI — the return legseparate record
- Palm Beach International (PBI) delay statistics
- LaGuardia (LGA) delay statistics
- Delta Air Lines on PBI to LGA71.7%
- JetBlue Airways on PBI to LGA67.4%
- Republic Airways on PBI to LGA66.0%
- American Airlines on PBI to LGA57.9%
- PBI to ATL, a related route82.7%
- ORD to LGA, a related route66.6%
- PBI to EWR, a related route75.8%
- Delta Air Lines on-time record71.7%
- JetBlue Airways on-time record67.4%
- Republic Airways on-time record66.0%
- The US routes with the most cancellations
- Why the first flight of the morning is statistically safest
Direction matters. PBI to LGA and LGA to PBI are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.