Route · SJU → BWI · 2020–2025 BTS data
San Juan to Baltimore
The SJU–BWI corridor (San Juan, PR → Baltimore, MD) runs ahead of the national average, served by 7 carriers across roughly 1,565 miles.
Data updated 2026-06-13
- 81.5%
- On-time
- +2.5 pts
- vs US avg
- 68 min
- Delay when late
- 7,104
- Flights
Cancelled
1.0%
Best Month
Nov 2024 94%
Worst Month
Aug 2024 60%
Distance
1,565 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 113 | 18 | 1 | 0 | WN,F9,NK |
| Nov 2025 | 75 | 12 | 1 | 0 | F9,NK,WN |
| Oct 2025 | 61 | 4 | 1 | 0 | WN,NK |
| Sep 2025 | 70 | 12 | 0 | 0 | WN,NK,F9 |
| Aug 2025 | 104 | 18 | 2 | 0 | WN,F9,NK |
| Jul 2025 | 142 | 40 | 2 | 2 | NK,WN,F9 |
| Jun 2025 | 134 | 28 | 0 | 3 | WN,F9,NK |
| May 2025 | 114 | 22 | 0 | 1 | NK,WN,F9 |
| Apr 2025 | 143 | 29 | 0 | 0 | F9,NK,WN |
| Mar 2025 | 142 | 27 | 0 | 3 | WN,F9,NK |
| Feb 2025 | 90 | 10 | 1 | 0 | WN,F9,NK |
| Jan 2025 | 100 | 20 | 7 | 0 | NK,WN,F9 |
| Dec 2024 | 131 | 13 | 0 | 0 | F9,NK,WN |
| Nov 2024 | 97 | 6 | 0 | 0 | NK,WN,F9 |
| Oct 2024 | 54 | 12 | 0 | 0 | WN,NK |
| Sep 2024 | 64 | 16 | 0 | 0 | WN,F9,NK |
| Aug 2024 | 106 | 42 | 1 | 1 | F9,NK,WN |
| Jul 2024 | 124 | 40 | 3 | 0 | F9,NK,WN |
| Jun 2024 | 123 | 32 | 2 | 1 | F9,NK,WN |
| May 2024 | 122 | 33 | 1 | 2 | F9,NK,WN |
| Apr 2024 | 137 | 16 | 2 | 0 | F9,NK,WN |
| Mar 2024 | 128 | 34 | 2 | 0 | NK,WN |
| Feb 2024 | 108 | 21 | 0 | 0 | F9,NK,WN |
| Jan 2024 | 138 | 35 | 0 | 0 | F9,NK,WN |
Cancellation Rate
1.0%
26 of 2,620 flights
Diversion Rate
0.5%
13 of 2,620 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Origin airport →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See SJU and BWI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJU–BWI.
Routes with a similar on-time rate
What the Data Says About SJU to BWI
7,104 tracked flights put the SJU to BWI pairing (San Juan to Baltimore) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 68.2 minutes on average. Across the 1,565-mile route and its 7 carriers, the trailing 24 months show 1.0% cancelled and 0.5% diverted (2,620 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 94% on-time, while Aug 2024 came in at just 60% - a 33-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.