PlainFlights

Route · DFW → SJU · 2020–2025 BTS data

Dallas/Fort Worth to San Juan

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DFW to SJU (Dallas/Fort Worth to San Juan) ranks #2917 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

71.7%
On-time
-7.3 pts
vs US avg
72 min
Delay when late
3,946
Flights
#2917 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Feb 2024 87%

Worst Month

Jun 2024 52%

Distance

2,165 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 110 43 1 0 F9,NK,AA
Nov 2025 77 12 0 0 NK,AA
Oct 2025 48 6 0 0 AA,NK
Sep 2025 39 4 0 0 NK,AA
Aug 2025 64 25 1 0 AA,NK
Jul 2025 97 38 0 0 AA,NK
Jun 2025 99 41 0 0 AA,NK
May 2025 93 29 0 2 AA,NK
Apr 2025 90 31 0 0 NK,AA
Mar 2025 107 32 0 0 AA,NK
Feb 2025 67 15 0 0 AA,NK
Jan 2025 73 16 1 2 AA,F9,NK
Dec 2024 119 33 0 0 AA,F9,NK
Nov 2024 78 15 0 0 NK,AA
Oct 2024 47 1 0 1 NK,AA
Sep 2024 41 7 0 0 AA,NK
Aug 2024 76 25 0 0 AA,F9,NK
Jul 2024 122 58 1 0 AA,F9,NK
Jun 2024 98 47 2 0 AA,F9,NK
May 2024 103 44 4 2 AA,F9,NK
Apr 2024 60 13 0 0 AA,NK
Mar 2024 76 19 1 1 AA,NK
Feb 2024 55 7 0 0 AA,NK
Jan 2024 73 26 0 0 AA,F9,NK

DFW–SJU seasonal on-time pattern

Best: October (88.3%) · weakest: June (55.8%)

50%60%70%80%90% JanFebMarAprMayJunJulAugSepOctNovDec 72.1%

Strongest calendar month

October

88.3% on-time · ~46 flights/mo

Busiest calendar month

May

~80 flights/mo avg

Weakest calendar month

June

55.8% on-time · ~77 flights/mo

Cancellation Rate

0.6%

11 of 1,912 flights

Diversion Rate

0.4%

8 of 1,912 flights

Explore origin & destination

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

DFW - Dallas/Fort Worth

Full on-time, delay-cause, and seasonal performance for Dallas/Fort Worth, TX.

DFW on-time profile

SJU - San Juan

Full on-time, delay-cause, and seasonal performance for San Juan, PR.

SJU on-time profile

Compare the two airports

See DFW and SJU side by side on delays, cancellations, and reliability.

Compare DFW vs SJU

Origin-hub reliability standing

Softer reliability from DFW

Among 183 routes leaving DFW, only 57 (including this one) clear below 75% on-time, while 13 stay ≥85% and 113 sit mid-band. Travelers comparing DFW options should weigh this 71.7% print against those peers · fleet on-time rank #4775 of 4927.

What the Data Says About DFW to SJU

On-time performance on the DFW to SJU pairing (Dallas/Fort Worth to San Juan) trails a chunk of the network: 71.7% of 3,946 tracked flights arrived on schedule, with a 71.8-minute average delay on the ones that ran late. The route spans about 2,165 miles across 5 carriers. Cancellations over the trailing 24 months hit 0.6% (11 of 1,912 flights), with 0.4% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 87% on-time, while Jun 2024 came in at just 52% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, DFW–SJU peaks in October at 88.3% on-time while May carries the heaviest traffic (~80 flights per month) ; the softest month is June at 55.8%, a 32.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DFW to SJU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DFW to SJU ranks #2917 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 DFW to SJU? ▼
Flights from Dallas/Fort Worth to San Juan have a 71.7% on-time rate based on 3,946 flights. The average delay is 71.8 minutes. The best recent month was Feb 2024 with 87% on-time.
What is the cancellation rate for DFW to SJU? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (11 of 1,912 flights) and 0.4% were diverted.
How far is the flight from DFW to SJU? ▼
The flight distance from Dallas/Fort Worth (DFW) to San Juan (SJU) is approximately 2,165 miles. This route is served by 5 carriers.
When is the best time to fly from DFW to SJU? ▼
The best recent month for on-time performance was Feb 2024 (87% on-time). The worst was Jun 2024 (52% on-time). Consider booking during months with historically better performance.

Airports on this route

DFW Airport

Dallas/Fort Worth
SJU Airport

San Juan
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 DFW–SJU data

DFW–SJU sits 7.3 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare DFW and SJU airport profiles: delay causes and top routes differ even on the same corridor. DFW airport
  • If your dates flex, October (88.3% on-time) beats June (55.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 71.7% 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.