Route
MIA → MEM
Miami International Airport Frederick W. Smith International Airport
859 miles
Return route MEM → MIA →
How punctual is this route?
- On-time arrivals
- 63.3%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 529
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 41%
- Air traffic control & airport 14%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 68.8% | 32 |
| October 2025 | 53.2% | 48 |
| November 2025 | 59.6% | 57 |
| December 2025 | 72.4% | 58 |
| January 2026 | 60.4% | 54 |
| February 2026 | 71.4% | 35 |
| March 2026 | 64.7% | 52 |
| April 2026 | 65.8% | 38 |
| May 2026 | 57.1% | 42 |
| June 2026 | 66.7% | 51 |
| July 2026 | 53.3% | 31 |
| August 2026 | 64.5% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 475 | 60.7% | 1.7% | 68 min |
| Envoy Air | 52 | 84.6% | 0.0% | 63 min |
| Republic Airways | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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