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Route · PBI → BOS · 2020–2025 BTS data

West Palm Beach/Palm Beach to Boston

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PBI to BOS (West Palm Beach/Palm Beach to Boston) ranks #1188 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

73.7%
On-time
-5.3 pts
vs US avg
84 min
Delay when late
9,862
Flights
#1188 of 4927
Corpus placement

Cancelled

1.6%

Best Month

Oct 2024 90%

Worst Month

Sep 2025 45%

Distance

1,197 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 240 83 4 0 B6,DL,AA
Nov 2025 194 51 4 0 B6,DL
Oct 2025 152 56 4 0 B6,DL
Sep 2025 92 51 0 0 DL,B6
Aug 2025 114 39 2 1 B6,DL
Jul 2025 153 49 9 0 B6,DL
Jun 2025 141 50 2 1 B6,DL
May 2025 165 57 0 1 B6,DL
Apr 2025 254 49 1 0 DL,B6
Mar 2025 258 73 3 1 B6,DL
Feb 2025 236 66 9 1 AA,B6,DL
Jan 2025 240 47 2 0 B6,DL
Dec 2024 250 84 4 1 B6,DL
Nov 2024 226 29 0 0 B6,DL
Oct 2024 154 16 8 0 DL,B6
Sep 2024 94 21 0 0 B6,DL
Aug 2024 137 53 4 0 B6,DL
Jul 2024 139 46 3 0 B6,DL
Jun 2024 140 47 3 1 B6,DL
May 2024 144 53 0 0 B6,DL
Apr 2024 177 43 1 0 B6,DL
Mar 2024 188 56 1 0 B6,DL
Feb 2024 175 54 0 0 AA,B6,DL,NK
Jan 2024 172 57 4 0 B6,DL

PBI–BOS seasonal on-time pattern

Best: November (80.5%) · weakest: May (68.1%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 70.5%

Strongest calendar month

November

80.5% on-time · ~148 flights/mo

Busiest calendar month

March

~212 flights/mo avg

Weakest calendar month

May

68.1% on-time · ~129 flights/mo

Cancellation Rate

1.6%

68 of 4,235 flights

Diversion Rate

0.2%

7 of 4,235 flights

Explore origin & destination

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

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

BOS - Boston

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

BOS on-time profile

Compare the two airports

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

Compare PBI vs BOS

Origin-hub reliability standing

Softer reliability from PBI

Among 20 routes leaving PBI, only 3 (including this one) clear below 75% on-time, while 2 stay ≥85% and 15 sit mid-band. Travelers comparing PBI options should weigh this 73.7% print against those peers · fleet on-time rank #4629 of 4927.

What the Data Says About PBI to BOS

On-time performance on the PBI to BOS pairing (West Palm Beach/Palm Beach to Boston) trails a chunk of the network: 73.7% of 9,862 tracked flights arrived on schedule, with a 84.4-minute average delay on the ones that ran late. The route spans about 1,197 miles across 9 carriers. Cancellations over the trailing 24 months hit 1.6% (68 of 4,235 flights), with 0.2% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Sep 2025 came in at just 45% - a 45-point swing worth factoring into travel timing.

On the multi-year calendar, PBI–BOS peaks in November at 80.5% on-time while March carries the heaviest traffic (~212 flights per month) ; the softest month is May at 68.1%, a 12.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PBI to BOS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PBI to BOS ranks #1188 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 PBI to BOS? ▼
Flights from West Palm Beach/Palm Beach to Boston have a 73.7% on-time rate based on 9,862 flights. The average delay is 84.4 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for PBI to BOS? ▼
Over the last 24 months, 1.6% of flights on this route were cancelled (68 of 4,235 flights) and 0.2% were diverted.
How far is the flight from PBI to BOS? ▼
The flight distance from West Palm Beach/Palm Beach (PBI) to Boston (BOS) is approximately 1,197 miles. This route is served by 9 carriers.
When is the best time to fly from PBI to BOS? ▼
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Sep 2025 (45% on-time). Consider booking during months with historically better performance.

Airports on this route

PBI Airport

West Palm Beach/Palm Beach
BOS Airport

Boston
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 PBI–BOS data

PBI–BOS sits 5.3 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare PBI and BOS airport profiles: delay causes and top routes differ even on the same corridor. PBI airport
  • If your dates flex, November (80.5% on-time) beats May (68.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 73.7% 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.