Denver (DEN) to Indianapolis (IND): On-Time Performance
Data through May 2026
The calendar drives reliability on DEN–IND. January 2026 flights landed on schedule 86% of the time, but July 2025 dropped to 61% — a gap of 25 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 64%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 7.0
- last 12 months
- Duration
- 2h 27m
- scheduled
- Distance
- 976 mi
Best airline from DEN to IND
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 81% | 11 min | 0.5% | 559 |
| United Airlines | 81% | 12 min | 0.6% | 1,752 |
| Southwest Airlines | 73% | 17 min | 0.4% | 2,818 |
Monthly on-time trend
Best time to fly from DEN to IND
Aim for departures around 5 a.m. (95% on-time); avoid 7 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 15 min |
| Tuesday | 79% | 14 min |
| Wednesdaybest | 80% | 11 min |
| Thursday | 75% | 16 min |
| Friday | 74% | 18 min |
| Saturday | 78% | 15 min |
| Sunday | 76% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations31%
- National airspace system16%
- Weather1%
Frequently asked questions
- How often are flights from DEN to IND delayed?
- 23% of DEN–IND flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from DEN to IND?
- Frontier Airlines has the best on-time record on this route at 81%, based on 559 flights. 3 airlines flew DEN–IND frequently enough to compare in this period.
- What is the best time of day to fly from DEN to IND?
- Departures around 5 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to IND?
- The scheduled DEN–IND flight time averages 2h 27m over 976 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are DEN to IND flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to IND?
- July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was January 2026 at 86%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 5,129 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.