Memphis International (MEM) Delays and On-Time Departures
Memphis, TN · ranked 187th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Memphis (MEM) had 24,723 scheduled departures and 80.0% of them left on time (US average 77.4%).
That ranks 187th of 333 US airports tracked on this site, with 2.2% of departures cancelled.
Among airlines at Memphis (MEM), United Airlines left on time most often (87.4%).
Over 24 months, Tuesday was the most reliable day (85% on time) and June the worst month (74%).
Best time of day to fly out of Memphis (MEM)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.3% | 1.9% | 3,269 |
| 6am–7am | 92.8% | 2.3% | 6,907 |
| 7am–8am | 90.5% | 1.4% | 5,551 |
| 8am–9am | 87.5% | 1.3% | 2,274 |
| 9am–10am | 85.3% | 1.2% | 2,336 |
| 10am–11am | 81.8% | 2.2% | 3,183 |
| 11am–12pm | 80.2% | 1.6% | 2,964 |
| 12pm–1pm | 79.0% | 1.1% | 2,813 |
| 1pm–2pm | 76.6% | 1.4% | 1,684 |
| 2pm–3pm | 75.8% | 1.1% | 2,704 |
| 3pm–4pm | 72.2% | 2.2% | 2,667 |
| 4pm–5pm | 67.9% | 2.6% | 2,426 |
| 5pm–6pm | 68.9% | 2.6% | 3,244 |
| 6pm–7pm | 70.1% | 2.8% | 3,343 |
| 7pm–8pm | 67.8% | 1.9% | 1,490 |
| 8pm–9pm | 59.4% | 1.4% | 630 |
| 9pm–10pm | 74.5% | 0.0% | 192 |
| 10pm–11pm | 61.8% | 0.0% | 34 |
Airlines at MEM ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| United Airlines | 87.4% | 83.3% | 2.0% | 1,432 |
| Delta Air Lines | 86.0% | 87.0% | 1.9% | 4,387 |
| Republic Airways | 81.5% | 79.9% | 3.7% | 3,006 |
| SkyWest Airlines | 80.5% | 79.9% | 1.5% | 3,472 |
| American Airlines | 80.4% | 80.3% | 2.3% | 3,676 |
| Spirit Airlines | 79.9% | 85.3% | 2.6% | 454 |
| Envoy Air | 79.8% | 77.2% | 2.6% | 1,601 |
| Southwest Airlines | 75.5% | 78.3% | 1.1% | 4,163 |
| PSA Airlines | 73.8% | 75.7% | 4.5% | 1,754 |
| Frontier Airlines | 69.7% | 70.1% | 2.0% | 249 |
| Allegiant Air | 55.0% | 55.9% | 0.8% | 529 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of MEM
On-time departures by day, 24 months.
Best month to fly out of MEM
On-time departures by month, 24 months.
Holiday travel at Memphis (MEM)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.7% | -4.8 pts | 1.2% | 885 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.3% | -5.2 pts | 1.0% | 1,734 |
| Summer peak (Jun 15 - Aug 15) | 76.0% | -6.5 pts | 2.6% | 9,061 |
| All other days | 82.5% | — | 1.8% | 36,031 |
Monthly on-time departure trend at MEM
On-time departure % each month, with the 12-month US average for reference.
Routes from Memphis (MEM)
Every route from MEM with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| MEM → Atlanta (ATL) | 86.5% | 2.0% | 3,422 |
| MEM → Chicago (ORD) | 75.9% | 3.7% | 2,509 |
| MEM → Dallas/Fort Worth (DFW) | 74.6% | 3.1% | 2,353 |
| MEM → Charlotte (CLT) | 82.9% | 2.1% | 1,742 |
| MEM → Denver (DEN) | 78.9% | 0.9% | 1,364 |
| MEM → Washington (DCA) | 75.8% | 3.9% | 1,125 |
| MEM → Houston (IAH) | 80.1% | 1.1% | 1,086 |
| MEM → New York (LGA) | 79.2% | 4.7% | 1,064 |
| MEM → Detroit (DTW) | 82.8% | 1.7% | 1,010 |
| MEM → Minneapolis (MSP) | 86.5% | 1.1% | 900 |
| MEM → Houston (HOU) | 77.6% | 0.7% | 831 |
| MEM → Philadelphia (PHL) | 80.7% | 4.1% | 758 |
| MEM → Orlando (MCO) | 77.7% | 2.8% | 739 |
| MEM → Chicago (MDW) | 83.7% | 1.8% | 670 |
| MEM → Las Vegas (LAS) | 81.4% | 0.5% | 584 |
| MEM → Miami (MIA) | 79.2% | 1.6% | 559 |
| MEM → Nashville (BNA) | 73.9% | 0.4% | 515 |
| MEM → Phoenix (PHX) | 86.2% | 1.0% | 486 |
| MEM → Newark (EWR) | 80.6% | 3.7% | 483 |
| MEM → Dallas (DAL) | 78.8% | 1.1% | 457 |
| MEM → Austin (AUS) | 90.9% | 1.1% | 365 |
| MEM → Salt Lake City (SLC) | 89.5% | 1.1% | 365 |
| MEM → Boston (BOS) | 91.1% | 0.7% | 294 |
| MEM → Baltimore (BWI) | 79.7% | 0.7% | 279 |
| MEM → Los Angeles (LAX) | 77.8% | 1.2% | 256 |
| MEM → Fort Lauderdale (FLL) | 43.4% | 1.0% | 207 |