PlainFlights

Route · BOS → PBI · 2020–2025 BTS data

Boston to West Palm Beach/Palm Beach

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOS to PBI (Boston to West Palm Beach/Palm Beach) ranks #1186 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

70.5%
On-time
-8.5 pts
vs US avg
76 min
Delay when late
9,865
Flights
#1186 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Oct 2024 84%

Worst Month

Dec 2024 54%

Distance

1,197 mi

Carriers

8

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 240 109 4 1 B6,DL,AA
Nov 2025 195 52 4 4 DL,B6
Oct 2025 153 44 3 1 B6,DL
Sep 2025 93 22 0 0 DL,B6
Aug 2025 114 41 3 0 B6,DL
Jul 2025 153 48 9 1 B6,DL
Jun 2025 141 38 1 1 B6,DL
May 2025 165 40 0 1 B6,DL
Apr 2025 254 57 0 1 DL,B6
Mar 2025 257 80 3 4 B6,DL
Feb 2025 235 97 6 0 AA,B6,DL
Jan 2025 238 99 2 0 B6,DL
Dec 2024 251 116 4 0 B6,DL
Nov 2024 226 39 0 0 B6,DL
Oct 2024 156 25 6 3 DL,B6
Sep 2024 95 25 0 0 B6,DL
Aug 2024 138 60 5 0 B6,DL
Jul 2024 138 38 3 0 B6,DL
Jun 2024 141 37 3 1 B6,DL
May 2024 144 32 0 0 B6,DL
Apr 2024 178 36 1 2 B6,DL
Mar 2024 188 61 1 1 B6,DL
Feb 2024 175 53 1 0 AA,B6,DL
Jan 2024 172 63 2 0 B6,DL

BOS–PBI seasonal on-time pattern

Best: October (77.9%) · weakest: December (61.4%)

60%65%70%75%80% JanFebMarAprMayJunJulAugSepOctNovDec 61.4%

Strongest calendar month

October

77.9% on-time · ~113 flights/mo

Busiest calendar month

March

~212 flights/mo avg

Weakest calendar month

December

61.4% on-time · ~181 flights/mo

Cancellation Rate

1.4%

61 of 4,240 flights

Diversion Rate

0.5%

21 of 4,240 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BOS - Boston

Full on-time, delay-cause, and seasonal performance for Boston, MA.

BOS on-time profile

PBI - West Palm Beach/Palm Beach

Full on-time, delay-cause, and seasonal performance for West Palm Beach/Palm Beach, FL.

PBI on-time profile

Compare the two airports

See BOS and PBI side by side on delays, cancellations, and reliability.

Compare BOS vs PBI

Origin-hub reliability standing

Softer reliability from BOS

Among 60 routes leaving BOS, only 5 (including this one) clear below 75% on-time, while 6 stay ≥85% and 49 sit mid-band. Travelers comparing BOS options should weigh this 70.5% print against those peers · fleet on-time rank #4829 of 4927.

What the Data Says About BOS to PBI

On-time performance on the BOS to PBI pairing (Boston to West Palm Beach/Palm Beach) trails a chunk of the network: 70.5% of 9,865 tracked flights arrived on schedule, with a 76.0-minute average delay on the ones that ran late. The route spans about 1,197 miles across 8 carriers. Cancellations over the trailing 24 months hit 1.4% (61 of 4,240 flights), with 0.5% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 84% on-time, while Dec 2024 came in at just 54% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, BOS–PBI peaks in October at 77.9% on-time while March carries the heaviest traffic (~212 flights per month) ; the softest month is December at 61.4%, a 16.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BOS to PBI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BOS to PBI ranks #1186 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BOS to PBI? ▼
Flights from Boston to West Palm Beach/Palm Beach have a 70.5% on-time rate based on 9,865 flights. The average delay is 76.0 minutes. The best recent month was Oct 2024 with 84% on-time.
What is the cancellation rate for BOS to PBI? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (61 of 4,240 flights) and 0.5% were diverted.
How far is the flight from BOS to PBI? ▼
The flight distance from Boston (BOS) to West Palm Beach/Palm Beach (PBI) is approximately 1,197 miles. This route is served by 8 carriers.
When is the best time to fly from BOS to PBI? ▼
The best recent month for on-time performance was Oct 2024 (84% on-time). The worst was Dec 2024 (54% on-time). Consider booking during months with historically better performance.

Airports on this route

BOS Airport

Boston
PBI Airport

West Palm Beach/Palm Beach
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using BOS–PBI data

BOS–PBI sits 8.5 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare BOS and PBI airport profiles: delay causes and top routes differ even on the same corridor. BOS airport
  • If your dates flex, October (77.9% on-time) beats December (61.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 70.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.