ON TIMEBOARD

MIA → IND on time

Miami (Miami, FL) to Indianapolis (Indianapolis, IN). Every scheduled flight, September 2025 to August 2026.

On time
72%
arrived < 15 min late
Cancelled
1.3%
908 flights
Typical arrival
−5 min
median vs schedule
When late
+66 min
average delay
Flights / day
2
4 airlines

72% of flights from Miami to Indianapolis arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 91% of the time; the 3 p.m. ones 66%. Most reliable airline: American Airlines (74%). 12% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MIA → IND: when a flight was late, it was under 45 minutes late 52% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 65 three hours or more; 1.3% were cancelled outright.

Share of all 908 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines78374%1.4%−6 min9.5%+69 minAmerican Airlines 93%, Envoy 7%, Republic Airways 1%
Southwest Airlines11955%0.8%+12 min13.4%+55 minSouthwest Airlines
Frontier Airlines4—————Frontier Airlines
Delta Air Lines2—————Delta Air Lines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at MIA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 91% on time (127 flights)917a8 a.m. departures: too few flights (58 flights)8a9 a.m. departures: too few flights (1 flights)9a10 a.m. departures: too few flights (3 flights)10a11 a.m. departures: too few flights (11 flights)11anoon departures: too few flights (25 flights)12p1 p.m. departures: too few flights (22 flights)1p2 p.m. departures: too few flights (39 flights)2p3 p.m. departures: 66% on time (228 flights)663p4 p.m. departures: too few flights (15 flights)4p5 p.m. departures: too few flights (8 flights)5p6 p.m. departures: too few flights (2 flights)6p7 p.m. departures: too few flights (26 flights)7p8 p.m. departures: 69% on time (206 flights)698p9 p.m. departures: 68% on time (126 flights)689p
MIA → IND, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAmerican Airlines
7 a.m.91%
3 p.m.71%
8 p.m.69%
9 p.m.68%

Last flight of the day

On MIA → IND, each airline's last flight of the day was cancelled 2.1% of the time, against 0.9% for its earlier flights (2.3× as often). It arrived 3+ hours late 1.5% of the time (earlier flights: 1.4%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines8:59 p.m.2.2%1.6%1.0%first flight 3:35 p.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in IND tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (84%). Worst: June (58%).

40%70%100%Jan: 71% on time (295 flights)71JanFeb: 65% on time (248 flights)65FebMar: 60% on time (299 flights)60MarApr: 76% on time (224 flights)76AprMay: 60% on time (212 flights)60MayJun: 58% on time (175 flights)58JunJul: 58% on time (179 flights)58JulAug: 58% on time (159 flights)58AugSep: 76% on time (173 flights)76SepOct: 80% on time (180 flights)80OctNov: 84% on time (225 flights)84NovDec: 70% on time (241 flights)70Dec

By day of week

DayFlightsOn timeCancelled
Monday13663%4.4%
Tuesday11476%0.9%
Wednesday10077%1.0%
Thursday12875%0.0%
Friday13273%0.0%
Saturday16076%0.6%
Sunday13866%2.2%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 39%Airline (crew, maintenance, ops) 34%Air traffic & airport (NAS) 17%Severe weather 9%

Cancellations: weather 8 · air traffic/airport 3 · airline 1

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Jan 2025: 67% on time, 3.9% cancelledFeb 2025: 66% on time, 0.0% cancelledMar 2025: 58% on time, 0.8% cancelledJan 2026: 74% on time, 4.1% cancelled
Share of flights on time, by month (hover a point for cancellations)
MIA → IND, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 25188:59 p.m.20170%1.0%−1 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 202640%1
Mar 12, 202630%0
May 31, 202630%0
Mar 16, 202630%2
May 7, 202630%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Miami or Indianapolis. None has been clearly more reliable than MIA → IND.

RouteFlightsOn timeCancelled
MIA → IND (this route)90872%1.3%
FLL → IND Fort Lauderdale to Indianapolis99763%2.2%

Questions

How often are flights from MIA to IND on time?

72% of 908 scheduled flights from Miami, FL to Indianapolis, IN arrived within 15 minutes of schedule between September 2025 and August 2026. 1.3% were cancelled.

What is the best time of day to fly MIA to IND?

Flights scheduled to leave at 7 a.m. were the most reliable (91% on time). The 3 p.m. departures were the least (66%).

Which airline is most on time from MIA to IND?

American Airlines: 74% of its 783 flights on the route arrived on time. Southwest Airlines: 55%.

What month has the most delays from MIA to IND?

June (58% on time). The best month is November (84%), over 2023–2026.

Is the last flight of the day from MIA to IND more likely to be cancelled?

Yes. Each airline's last MIA–IND flight of the day was cancelled 2.1% of the time over the past year, against 0.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.