Route · JAX → STL · 2020–2025 BTS data
Jacksonville to St. Louis
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JAX to STL (Jacksonville to St. Louis) ranks #4150 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.5%
- On-time
- +3.5 pts
- vs US avg
- 71 min
- Delay when late
- 1,499
- Flights
- #4150 of 4927
- Corpus placement
Cancelled
0.8%
Best Month
Sep 2025 95%
Worst Month
Jul 2025 77%
Distance
753 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 58 | 7 | 0 | 0 | WN |
| Nov 2025 | 54 | 3 | 0 | 0 | WN |
| Oct 2025 | 57 | 5 | 0 | 0 | WN |
| Sep 2025 | 56 | 3 | 0 | 0 | WN |
| Aug 2025 | 57 | 10 | 0 | 0 | WN |
| Jul 2025 | 62 | 14 | 0 | 0 | WN |
| Jun 2025 | 60 | 12 | 0 | 0 | WN |
| May 2025 | 57 | 9 | 1 | 0 | WN |
| Apr 2025 | 51 | 4 | 0 | 0 | WN |
| Mar 2025 | 33 | 4 | 0 | 0 | WN |
| Oct 2024 | 35 | 4 | 0 | 0 | WN |
| Sep 2024 | 34 | 4 | 0 | 0 | WN |
| Aug 2024 | 35 | 4 | 1 | 0 | WN |
| Jul 2024 | 35 | 13 | 0 | 0 | WN |
| Jun 2024 | 34 | 11 | 0 | 0 | WN |
| May 2024 | 31 | 15 | 0 | 0 | WN |
| Apr 2024 | 31 | 3 | 0 | 1 | WN |
| Mar 2024 | 34 | 6 | 1 | 0 | WN |
| Oct 2023 | 31 | 3 | 0 | 0 | WN |
| Sep 2023 | 31 | 4 | 0 | 0 | WN |
| Aug 2023 | 35 | 10 | 1 | 0 | WN |
| Jul 2023 | 36 | 17 | 0 | 0 | WN |
| Jun 2023 | 31 | 12 | 0 | 0 | WN |
| Dec 2022 | 31 | 4 | 4 | 0 | WN |
JAX–STL seasonal on-time pattern
Best: January (96.8%) · weakest: July (68.7%)
Strongest calendar month
January
96.8% on-time · ~31 flights/mo
Busiest calendar month
May
~40 flights/mo avg
Weakest calendar month
July
68.7% on-time · ~39 flights/mo
Cancellation Rate
0.8%
8 of 1,009 flights
Diversion Rate
0.1%
1 of 1,009 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JAX - Jacksonville
Full on-time, delay-cause, and seasonal performance for Jacksonville, FL.
JAX on-time profileSTL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
STL on-time profileCompare the two airports
See JAX and STL side by side on delays, cancellations, and reliability.
Compare JAX vs STLOrigin-hub reliability standing
Mid-pack among JAX departures
From JAX, this corridor sits with 16 other 75–85% on-time routes out of 23 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: St. Louis · fleet on-time rank #2144 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to JAX–STL.
Routes with a similar on-time rate
What the Data Says About JAX to STL
Bureau of Transportation Statistics records show Jacksonville to St. Louis (JAX to STL) running a 82.5% on-time rate over 1,499 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 70.6 minutes. The 753-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 1,009 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Jul 2025 came in at just 77% - a 17-point swing worth factoring into travel timing.
On the multi-year calendar, JAX–STL peaks in January at 96.8% on-time while May carries the heaviest traffic (~40 flights per month) ; the softest month is July at 68.7%, a 28.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does JAX to STL rank among US routes by traffic? ▼
How often are flights delayed from JAX to STL? ▼
What is the cancellation rate for JAX to STL? ▼
How far is the flight from JAX to STL? ▼
When is the best time to fly from JAX to STL? ▼
Airports on this route
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 JAX–STL data
JAX–STL runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare JAX and STL airport profiles: delay causes and top routes differ even on the same corridor. JAX airport
- If your dates flex, January (96.8% on-time) beats July (68.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.5% 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.
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.