Airports › Memphis (MEM) › May 2025
Airport month · May 2025
Memphis International in May 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In May 2025, reporting carriers scheduled 2,177 domestic departures from Memphis International (MEM). 76.5% left less than 15 minutes late and 76.1% reached their destination on time; 1.1% were cancelled.
Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so MEM departures were level with the national departure figure.
A year earlier, in May 2024, the airport had 2,015 departures with 73.7% leaving on time: a change of +2.8 points, with flights up 8%.
Flights arriving at MEM that month were on time 72.2% of the time (2,179 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 35% and national aviation system 20%.
- On time 76.1%
- Arrived 15+ minutes late 22.5%
- Cancelled 1.1%
- Diverted 0.3%
May 2025 against a year earlier, the airport's year and the nation
| Measure | May 2025 | May 2024 | MEM, 12 months to Jul 2026 | All reported flights, May 2025 |
|---|---|---|---|---|
| Departed on time | 76.5% | 73.7% | 78.2% | 76.7% |
| Arrived on time | 76.1% | 73.7% | 78.2% | 75.4% |
| Cancelled | 1.1% | 2.0% | 2.2% | 1.0% |
| Average departure delay (late minutes only) | 22.2 min | 22.0 min | 17.3 min | 17.5 min |
| Scheduled departures a day | 73 | 67 | 68 | 20,188 |
| Scheduled departures | 2,177 | 2,015 | 24,723 | 605,648 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DL Delta Air Lines | 387 | 18% | 83.7% | 2.2 min | 0.0% |
| WN Southwest Airlines | 360 | 17% | 78.1% | 8.1 min | 0.6% |
| AA American Airlines | 354 | 16% | 74.3% | 25.4 min | 1.4% |
| OO SkyWest Airlines | 304 | 14% | 73.7% | 13.0 min | 0.7% |
| YX Republic Airline | 220 | 10% | 78.2% | 6.7 min | 1.4% |
| OH PSA Airlines | 199 | 9% | 66.3% | 35.5 min | 5.5% |
| UA United Airlines | 124 | 6% | 76.6% | 14.2 min | 0.0% |
| MQ Envoy Air | 89 | 4% | 78.7% | 8.6 min | 1.1% |
| NK Spirit Airlines | 77 | 4% | 81.8% | -0.4 min | 0.0% |
| G4 Allegiant Air | 54 | 2% | 50.0% | 60.2 min | 0.0% |
| F9 Frontier Airlines | 9 | 0% | 55.6% | 25.3 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MEM–ATL | Memphis to Atlanta | 298 | 81.9% | 2.5 min | 0.0% |
| MEM–DFW | Memphis to Dallas/Fort Worth | 216 | 71.3% | 29.8 min | 2.3% |
| MEM–ORD | Memphis to Chicago | 209 | 70.8% | 16.9 min | 0.5% |
| MEM–CLT | Memphis to Charlotte | 182 | 73.1% | 19.1 min | 2.2% |
| MEM–DCA | Memphis to Washington | 131 | 73.3% | 19.6 min | 4.6% |
| MEM–DEN | Memphis to Denver | 102 | 71.6% | 17.8 min | 0.0% |
| MEM–IAH | Memphis to Houston | 99 | 80.8% | 3.7 min | 1.0% |
| MEM–LGA | Memphis to New York | 81 | 72.8% | 15.1 min | 1.2% |
| MEM–MSP | Memphis to Minneapolis | 76 | 82.9% | 0.9 min | 0.0% |
| MEM–DTW | Memphis to Detroit | 75 | 84.0% | 7.7 min | 0.0% |
| MEM–HOU | Memphis to Houston | 71 | 85.9% | 9.1 min | 0.0% |
| MEM–LAS | Memphis to Las Vegas | 67 | 83.6% | 2.6 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MEM on time in May 2025?
76.5% of 2,177 scheduled domestic departures left less than 15 minutes late, and 76.1% reached their destination on time. The national figures that month were 76.7% and 75.4%.
How does that compare with a year earlier?
In May 2024, 73.7% of 2,015 departures left on time and 2.0% were cancelled, against 76.5% and 1.1% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MEM · methodology · corrections.