Best Time to Fly MSY to PHL: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.0% of New Orleans (MSY) to Philadelphia (PHL) flights arrived on time (1,131 scheduled flights). That is 2.4 points above the national average of 77.6%.
Republic Airways was the most punctual of the 4 airlines on the route at 90.6%, while Frontier Airlines trailed at 72.2%.
March has been the best month (84% on time) and Sunday the weakest day of the week (75%).
2.8% of flights were cancelled, versus 1.8% nationally.
MSY to PHL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 90.6% | 40 min | 0.0% | 32 |
| PSA Airlines | 82.3% | 122 min | 5.0% | 298 |
| American Airlines | 80.5% | 145 min | 2.0% | 639 |
| Frontier Airlines | 72.2% | 125 min | 2.5% | 162 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to PHL
On-time arrival % by scheduled departure hour (local time), 2,222 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 1 | |
| 5am–6am | 89.7% | 3.3% | 120 |
| 6am–7am | 90.2% | 3.0% | 369 |
| 7am–8am | Limited data | 28 | |
| 8am–9am | Limited data | 5 | |
| 9am–10am | Limited data | 15 | |
| 10am–11am | 73.9% | 4.1% | 73 |
| 11am–12pm | 79.7% | 1.9% | 368 |
| 12pm–1pm | 87.3% | 2.7% | 73 |
| 1pm–2pm | 73.5% | 2.5% | 365 |
| 2pm–3pm | 84.0% | 0.0% | 75 |
| 3pm–4pm | 54.8% | 0.0% | 31 |
| 4pm–5pm | 75.3% | 2.9% | 445 |
| 5pm–6pm | Limited data | 22 | |
| 6pm–7pm | 62.3% | 4.7% | 64 |
| 7pm–8pm | 71.2% | 1.4% | 74 |
| 8pm–9pm | 65.9% | 2.2% | 45 |
| 9pm–10pm | 64.4% | 8.2% | 49 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSY to PHL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 87.5% | +7.4 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.1% | -9.0 pts | 3.2% | 93 |
| Summer peak (Jun 15 - Aug 15) | 72.3% | -7.8 pts | 5.1% | 373 |
| All other days | 80.1% | — | 2.2% | 1,716 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).