Route · SJU → ORD · 2020–2025 BTS data
San Juan to Chicago
The SJU–ORD corridor (San Juan, PR → Chicago, IL) runs ahead of the national average, served by 15 carriers across roughly 2,072 miles.
Data updated 2026-06-13
- 81.3%
- On-time
- +2.3 pts
- vs US avg
- 88 min
- Delay when late
- 5,502
- Flights
Cancelled
0.6%
Best Month
Jun 2025 86%
Worst Month
Aug 2024 60%
Distance
2,072 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 129 | 26 | 1 | 1 | NK,AA,UA |
| Nov 2025 | 100 | 25 | 1 | 0 | UA,NK,AA |
| Oct 2025 | 73 | 23 | 0 | 0 | AA,UA,NK |
| Sep 2025 | 51 | 14 | 0 | 1 | UA,NK,AA |
| Aug 2025 | 115 | 28 | 0 | 1 | AA,NK,UA |
| Jul 2025 | 126 | 18 | 0 | 1 | AA,NK,UA |
| Jun 2025 | 116 | 16 | 0 | 0 | AA,UA,NK |
| May 2025 | 116 | 17 | 0 | 1 | AA,UA,NK |
| Apr 2025 | 128 | 19 | 1 | 1 | NK,UA,AA |
| Mar 2025 | 151 | 33 | 0 | 2 | AA,UA,NK |
| Feb 2025 | 92 | 14 | 0 | 0 | AA,UA,NK |
| Jan 2025 | 113 | 25 | 0 | 1 | AA,UA,NK |
| Dec 2024 | 134 | 23 | 1 | 0 | AA,NK,UA |
| Nov 2024 | 94 | 13 | 0 | 1 | UA,NK |
| Oct 2024 | 54 | 12 | 0 | 2 | UA,NK |
| Sep 2024 | 50 | 17 | 0 | 1 | NK,UA |
| Aug 2024 | 95 | 38 | 1 | 1 | AA,NK,UA |
| Jul 2024 | 128 | 40 | 6 | 1 | AA,NK,UA |
| Jun 2024 | 121 | 39 | 0 | 3 | AA,NK,UA |
| May 2024 | 94 | 25 | 0 | 4 | AA,NK,UA |
| Apr 2024 | 106 | 15 | 0 | 4 | AA,NK,UA |
| Mar 2024 | 134 | 47 | 1 | 1 | AA,NK,UA |
| Feb 2024 | 92 | 23 | 0 | 2 | AA,NK,UA |
| Jan 2024 | 101 | 27 | 3 | 0 | AA,NK,UA |
Cancellation Rate
0.6%
15 of 2,513 flights
Diversion Rate
1.2%
29 of 2,513 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 →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See SJU and ORD 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–ORD.
Routes with a similar on-time rate
What the Data Says About SJU to ORD
5,502 tracked flights put the SJU to ORD pairing (San Juan to Chicago) at a 81.3% on-time rate, squarely in line with the wider network. Delays that do occur run 87.8 minutes on average. Across the 2,072-mile route and its 15 carriers, the trailing 24 months show 0.6% cancelled and 1.2% diverted (2,513 flights sampled).
The monthly split is wide on this route: Jun 2025 posted the strongest performance at 86% on-time, while Aug 2024 came in at just 60% - a 26-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.