Route · SAT → MIA · 2020–2025 BTS data
San Antonio to Miami
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAT to MIA (San Antonio to Miami) ranks #3602 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.5%
- On-time
- +7.5 pts
- vs US avg
- 95 min
- Delay when late
- 2,366
- Flights
- #3602 of 4927
- Corpus placement
Cancelled
1.9%
Best Month
Apr 2025 90%
Worst Month
Mar 2024 61%
Distance
1,143 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 39 | 2 | 0 | 1 | AA,MQ |
| Nov 2025 | 33 | 3 | 0 | 0 | AA |
| Oct 2025 | 49 | 5 | 0 | 0 | AA,MQ |
| Sep 2025 | 30 | 1 | 0 | 2 | AA |
| Aug 2025 | 36 | 2 | 1 | 0 | AA,MQ |
| Jul 2025 | 58 | 15 | 2 | 0 | AA,MQ |
| Jun 2025 | 34 | 2 | 1 | 0 | AA,MQ |
| May 2025 | 62 | 16 | 1 | 0 | AA,MQ |
| Apr 2025 | 60 | 6 | 1 | 0 | MQ,AA |
| Mar 2025 | 70 | 13 | 2 | 0 | AA,MQ,NK |
| Feb 2025 | 44 | 10 | 0 | 0 | AA,MQ |
| Jan 2025 | 31 | 1 | 1 | 0 | AA |
| Dec 2024 | 45 | 10 | 1 | 0 | AA,MQ |
| Nov 2024 | 43 | 9 | 0 | 0 | MQ,AA |
| Oct 2024 | 56 | 11 | 2 | 0 | AA |
| Sep 2024 | 30 | 0 | 0 | 1 | AA |
| Aug 2024 | 31 | 3 | 0 | 0 | AA |
| Jul 2024 | 31 | 4 | 1 | 0 | AA |
| Jun 2024 | 30 | 4 | 0 | 0 | AA |
| May 2024 | 31 | 0 | 1 | 0 | AA |
| Apr 2024 | 33 | 3 | 0 | 0 | AA,MQ |
| Mar 2024 | 62 | 24 | 3 | 1 | AA,MQ |
| Feb 2024 | 46 | 5 | 0 | 0 | AA,MQ |
| Jan 2024 | 35 | 5 | 2 | 0 | AA,MQ |
SAT–MIA seasonal on-time pattern
Best: September (94.2%) · weakest: May (80.3%)
Strongest calendar month
September
94.2% on-time · ~31 flights/mo
Busiest calendar month
March
~50 flights/mo avg
Weakest calendar month
May
80.3% on-time · ~43 flights/mo
Cancellation Rate
1.9%
19 of 1,019 flights
Diversion Rate
0.5%
5 of 1,019 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
SAT on-time profileMIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileCompare the two airports
See SAT and MIA side by side on delays, cancellations, and reliability.
Compare SAT vs MIAOrigin-hub reliability standing
Among SAT's stronger departures
SAT → MIA posts a 86.5% on-time rate, landing in the ≥85% band with 17 of 31 BTS-tracked routes leaving San Antonio. The same hub also shows 12 mid-band and 2 challenged departures · fleet-wide on-time rank #780 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAT–MIA.
Routes with a similar on-time rate
What the Data Says About SAT to MIA
San Antonio to Miami (SAT to MIA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.5% on-time rate across 2,366 flights, with delays that do happen averaging 95.2 minutes. The corridor runs roughly 1,143 miles and is served by 5 carriers. Over the most recent 24 months, 19 of 1,019 flights were cancelled (1.9%) and 5 diverted (0.5%).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 90% on-time, while Mar 2024 came in at just 61% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, SAT–MIA peaks in September at 94.2% on-time while March carries the heaviest traffic (~50 flights per month) ; the softest month is May at 80.3%, a 13.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAT to MIA rank among US routes by traffic? ▼
How often are flights delayed from SAT to MIA? ▼
What is the cancellation rate for SAT to MIA? ▼
How far is the flight from SAT to MIA? ▼
When is the best time to fly from SAT to MIA? ▼
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 SAT–MIA data
SAT–MIA runs 7.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SAT and MIA airport profiles: delay causes and top routes differ even on the same corridor. SAT airport
- If your dates flex, September (94.2% on-time) beats May (80.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.5% 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.