Route · SAN → MIA · 2020–2025 BTS data
San Diego to Miami
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to MIA (San Diego to Miami) ranks #3756 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 86.6%
- On-time
- +7.6 pts
- vs US avg
- 179 min
- Delay when late
- 2,118
- Flights
- #3756 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Nov 2024 96%
Worst Month
Dec 2024 73%
Distance
2,267 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 47 | 4 | 1 | 0 | AA |
| Nov 2025 | 60 | 8 | 1 | 1 | AA |
| Oct 2025 | 57 | 10 | 0 | 0 | AA |
| Sep 2025 | 30 | 2 | 0 | 0 | AA |
| Aug 2025 | 31 | 4 | 0 | 0 | AA |
| Jul 2025 | 31 | 6 | 0 | 0 | AA |
| Jun 2025 | 30 | 5 | 0 | 0 | AA |
| May 2025 | 35 | 3 | 0 | 0 | AA |
| Apr 2025 | 59 | 10 | 0 | 0 | AA |
| Mar 2025 | 62 | 13 | 1 | 0 | AA |
| Feb 2025 | 56 | 9 | 0 | 0 | AA |
| Jan 2025 | 68 | 7 | 0 | 0 | AA |
| Dec 2024 | 73 | 20 | 1 | 0 | AA |
| Nov 2024 | 55 | 2 | 0 | 0 | AA |
| Oct 2024 | 31 | 4 | 0 | 0 | AA |
| Sep 2024 | 30 | 2 | 0 | 1 | AA |
| Aug 2024 | 31 | 7 | 1 | 0 | AA |
| Jul 2024 | 31 | 10 | 0 | 0 | AA |
| Jun 2024 | 30 | 5 | 1 | 0 | AA |
| May 2024 | 36 | 4 | 2 | 0 | AA |
| Apr 2024 | 60 | 3 | 0 | 0 | AA |
| Mar 2024 | 62 | 16 | 3 | 0 | AA |
| Feb 2024 | 58 | 4 | 0 | 1 | AA |
| Jan 2024 | 61 | 13 | 0 | 0 | AA |
SAN–MIA seasonal on-time pattern
Best: September (96.0%) · weakest: August (80.0%)
Strongest calendar month
September
96.0% on-time · ~30 flights/mo
Busiest calendar month
February
~57 flights/mo avg
Weakest calendar month
August
80.0% on-time · ~31 flights/mo
Cancellation Rate
1.0%
11 of 1,124 flights
Diversion Rate
0.3%
3 of 1,124 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileMIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileCompare the two airports
See SAN and MIA side by side on delays, cancellations, and reliability.
Compare SAN vs MIAOrigin-hub reliability standing
Among SAN's stronger departures
SAN → MIA posts a 86.6% on-time rate, landing in the ≥85% band with 13 of 51 BTS-tracked routes leaving San Diego. The same hub also shows 34 mid-band and 4 challenged departures · fleet-wide on-time rank #749 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–MIA.
Routes with a similar on-time rate
What the Data Says About SAN to MIA
San Diego to Miami (SAN to MIA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.6% on-time rate across 2,118 flights, with delays that do happen averaging 179.1 minutes. The corridor runs roughly 2,267 miles and is served by 1 carrier. Over the most recent 24 months, 11 of 1,124 flights were cancelled (1.0%) and 3 diverted (0.3%).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 96% on-time, while Dec 2024 came in at just 73% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, SAN–MIA peaks in September at 96.0% on-time while February carries the heaviest traffic (~57 flights per month) ; the softest month is August at 80.0%, a 16.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAN to MIA rank among US routes by traffic? ▼
How often are flights delayed from SAN to MIA? ▼
What is the cancellation rate for SAN to MIA? ▼
How far is the flight from SAN to MIA? ▼
When is the best time to fly from SAN 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 SAN–MIA data
SAN–MIA runs 7.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SAN and MIA airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
- If your dates flex, September (96.0% on-time) beats August (80.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 86.6% 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.