Best Time to Fly BWI to IND: On-Time Stats by Hour & Airline
Baltimore/Washington International Thurgood Marshall → Indianapolis International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.5% of Baltimore (BWI) to Indianapolis (IND) flights arrived on time (1,219 scheduled flights). That is in line with the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (82% on time) and July the worst month (67%).
The cancellation rate was 1.2% (US average 1.8%).
BWI to IND 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 |
|---|---|---|---|---|
| Southwest Airlines | 77.5% | 50 min | 1.2% | 1,219 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BWI to IND
On-time arrival % by scheduled departure hour (local time), 2,445 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 15 | |
| 7am–8am | 92.5% | 0.0% | 40 |
| 8am–9am | 90.2% | 0.8% | 237 |
| 9am–10am | 87.7% | 0.4% | 237 |
| 10am–11am | 90.7% | 0.6% | 183 |
| 11am–12pm | 83.3% | 0.0% | 90 |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 85.1% | 0.0% | 154 |
| 2pm–3pm | 78.6% | 0.0% | 154 |
| 3pm–4pm | 78.5% | 1.2% | 245 |
| 4pm–5pm | 68.1% | 0.0% | 69 |
| 5pm–6pm | 64.8% | 2.1% | 186 |
| 6pm–7pm | 69.7% | 1.2% | 167 |
| 7pm–8pm | 56.0% | 2.0% | 51 |
| 8pm–9pm | 70.1% | 1.1% | 186 |
| 9pm–10pm | 69.5% | 0.8% | 241 |
| 10pm–11pm | 63.7% | 5.0% | 180 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BWI to IND
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) | 79.5% | -0.7 pts | 0.0% | 44 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.4% | -12.9 pts | 0.0% | 92 |
| Summer peak (Jun 15 - Aug 15) | 68.1% | -12.2 pts | 2.1% | 465 |
| All other days | 80.3% | — | 1.0% | 1,844 |
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).