Flights operate between Houston (IAH) and Detroit (DTW).
1 airline operates this route with 7-10 flights daily flights.
Average flight time is 2h 34m - 3h 01m.
Route distance is 1081 miles (1739 km).
Route Distance
1081 miles (1739 km)
Average Duration
2h 34m - 3h 01m
Airlines Operating This Route
Spirit Airlines
Flight Frequency
Daily Flights
7-10 flights
Weekly Flights
64
Typical Departure Time Ranges
Earliest Departure
06:10
Latest Departure
19:38
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
Spirit Airlines serves 1 destination from IAH
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| IAH → Detroit (DTW) (DTW) | 14/week | 2h 34m - 3h 01m | 1,081 km | Moderate |
Flight Schedule & Filters
Spirit Airlines flights from Houston (IAH) to Detroit (DTW)
Spirit Airlines operates scheduled nonstop flights between Houston (IAH) and Detroit (DTW). Spirit Airlines operates 7-10 flights daily flights on this route.• Flight Duration: 2h 34m - 3h 01m (average flight time)• Distance: 1081 miles (1739 km) (air miles between airports)• Daily Flights: 7-10 flights (scheduled departures per day)
Houston (IAH)
US
Detroit (DTW)
US
FLIGHT TIME
2h 34m - 3h 01m
FLIGHT DISTANCE
1081 miles (1739 km)
2h 36m - 2h 42m
06:10
19:38
1081 miles (1739 km)
March
1 (Show)
64
Spirit Airlines Terminal Information & Contact
Departure Terminal - Houston (IAH)
Terminal: A
Phone: 1-801-401-2222
Location: A, Houston, US
Arrival Terminal - Detroit (DTW)
Terminal: N
Phone: 1-801-401-2222
Location: N, Detroit, US
Spirit Airlines Flight Schedule from Houston (IAH) to Detroit (DTW)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
NK421 |  Spirit Airlines | 06:10 | 09:46:00 | Airbus A321neo |
NK2327 | Spirit Airlines | 19:38 | 23:20:00 | Airbus A321 (sharklets) |
Spirit Airlines Monthly Flight Calendar
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Spirit Airlines Terminal Information
Departure Terminal at Houston (IAH):
Terminal A:
• Spirit Airlines Terminal Phone: 1-801-401-2222
Arrival Terminal at Detroit (DTW):
• Terminal : Spirit Airlines operates from this terminal
Terminal N:
• Spirit Airlines Terminal Phone: 1-801-401-2222
Weather & Climate at Detroit (DTW)
10.9°C
Avg Temperature77mm
Avg Rainfall11.9km/h
Avg Wind Speed71%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Detroit (DTW)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Detroit (DTW)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Spirit Airlines to Detroit (DTW)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Seasonal Insight
Best travel months: 2025-06, 2025-09
Seasonal Travel Calendar
Spirit Airlines Contact Information and Customer Services
Spirit Airlines Address
2800 Executive Way #6542
Fort Lauderdale, FL 33025, United States
Customer Service Phone
+1 801-401-2222Official Website
spirit.comFrequently Asked Questions
How many Spirit Airlines flights operate from Houston (IAH) to Detroit (DTW)?
Spirit Airlines operates 2 flights from Houston (IAH) to Detroit (DTW).
What city does Detroit (DTW) airport serve?
Detroit (DTW) airport serves Detroit, US.
How long is the Spirit Airlines flight from Houston (IAH) to Detroit (DTW)?
The flight duration is approximately 2h 34m - 3h 01m.
What is the distance from Houston (IAH) to Detroit (DTW)?
The distance is 1081 miles (1739 km).
What aircraft does Spirit Airlines use on this route?
Spirit Airlines uses Airbus A321neo, Airbus A321 (sharklets) on this route.
Which other airlines operate on this route?
3 other airlines operate on this route: Delta Air Lines, Frontier Airlines, United Airlines.
What are the earliest and latest Spirit Airlines flight departure times?
The earliest Spirit Airlines flight departs at 06:10 and the latest departs at 19:38.
View all Spirit Airlines flights to Houston (IAH) →
Popular Spirit Airlines routes from Houston include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.