Best Time to Fly MSP to BWI: On-Time Stats by Hour & Airline
Minneapolis-St Paul International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.5% of Minneapolis (MSP) to Baltimore (BWI) flights arrived on time (1,409 scheduled flights). That is 3.9 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 82.0%, while Southwest Airlines trailed at 80.8%.
November has been the best month (91% on time) and Thursday the weakest day of the week (78%).
1.6% of flights were cancelled, versus 1.8% nationally.
MSP to BWI 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 |
|---|---|---|---|---|
| Delta Air Lines | 82.0% | 60 min | 1.4% | 918 |
| Southwest Airlines | 80.8% | 53 min | 1.8% | 491 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSP to BWI
On-time arrival % by scheduled departure hour (local time), 2,833 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.9% | 4.0% | 101 |
| 6am–7am | 93.2% | 0.0% | 325 |
| 7am–8am | 90.5% | 1.1% | 382 |
| 8am–9am | Limited data | 22 | |
| 9am–10am | Limited data | 3 | |
| 10am–11am | 88.5% | 0.3% | 375 |
| 11am–12pm | 90.3% | 0.0% | 62 |
| 12pm–1pm | 68.2% | 0.0% | 45 |
| 1pm–2pm | 84.3% | 0.0% | 89 |
| 2pm–3pm | 76.2% | 1.6% | 317 |
| 3pm–4pm | 75.0% | 1.3% | 78 |
| 4pm–5pm | 58.9% | 0.0% | 91 |
| 5pm–6pm | 61.8% | 1.9% | 104 |
| 6pm–7pm | 54.9% | 3.4% | 119 |
| 7pm–8pm | 76.4% | 2.8% | 109 |
| 8pm–9pm | 79.6% | 0.7% | 611 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSP to BWI
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) | 78.0% | -7.0 pts | 0.0% | 59 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.2% | -13.8 pts | 1.9% | 106 |
| Summer peak (Jun 15 - Aug 15) | 72.9% | -12.1 pts | 1.4% | 589 |
| All other days | 85.0% | — | 0.9% | 2,079 |
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).